Home / 45,012.75-62,117.61-25,140.75

Finding the Fourth Proportional to 45,012.75, 62,117.61 and 25,140.75

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Solution

The fourth proportional to 45,012.75, 62,117.61 and 25,140.75 is: 34,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,012.75 : 62,117.61 = 25,140.75 : x
  2. Step 2: Convert to fraction form
    45,012.75/62,117.61 = 25,140.75/x
  3. Step 3: Cross multiply
    45,012.75x = 62,117.61 × 25,140.75
  4. Step 4: Simplify right side
    45,012.75x = 1,561,683,303.61
  5. Step 5: Solve for x
    x = 1,561,683,303.61/45,012.75
  6. Step 6: Final answer
    x = 34,694.24

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Half scale
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Double scale
Find fourth proportional to 45,013.75, 62,118.99 and 25,141.75
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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.