Home / 45,973.62-63,470.20-30,085.80

Finding the Fourth Proportional to 45,973.62, 63,470.20 and 30,085.80

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Solution

The fourth proportional to 45,973.62, 63,470.20 and 30,085.80 is: 41,535.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,973.62 : 63,470.20 = 30,085.80 : x
  2. Step 2: Convert to fraction form
    45,973.62/63,470.20 = 30,085.80/x
  3. Step 3: Cross multiply
    45,973.62x = 63,470.20 × 30,085.80
  4. Step 4: Simplify right side
    45,973.62x = 1,909,551,743.16
  5. Step 5: Solve for x
    x = 1,909,551,743.16/45,973.62
  6. Step 6: Final answer
    x = 41,535.81

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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.