Home / 45,270.76-62,470.71-25,127.65

Finding the Fourth Proportional to 45,270.76, 62,470.71 and 25,127.65

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Solution

The fourth proportional to 45,270.76, 62,470.71 and 25,127.65 is: 34,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,270.76 : 62,470.71 = 25,127.65 : x
  2. Step 2: Convert to fraction form
    45,270.76/62,470.71 = 25,127.65/x
  3. Step 3: Cross multiply
    45,270.76x = 62,470.71 × 25,127.65
  4. Step 4: Simplify right side
    45,270.76x = 1,569,742,136.13
  5. Step 5: Solve for x
    x = 1,569,742,136.13/45,270.76
  6. Step 6: Final answer
    x = 34,674.53

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Half scale
Find fourth proportional to 90,541.52, 124,941.42 and 50,255.30
Double scale
Find fourth proportional to 45,271.76, 62,472.09 and 25,128.65
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.