Home / 63,131.13-87,132.22-37,639.14

Finding the Fourth Proportional to 63,131.13, 87,132.22 and 37,639.14

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Solution

The fourth proportional to 63,131.13, 87,132.22 and 37,639.14 is: 51,948.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,131.13 : 87,132.22 = 37,639.14 : x
  2. Step 2: Convert to fraction form
    63,131.13/87,132.22 = 37,639.14/x
  3. Step 3: Cross multiply
    63,131.13x = 87,132.22 × 37,639.14
  4. Step 4: Simplify right side
    63,131.13x = 3,279,581,827.09
  5. Step 5: Solve for x
    x = 3,279,581,827.09/63,131.13
  6. Step 6: Final answer
    x = 51,948.73

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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.