Home / 87,320.61-130,871.39-37,342.04

Finding the Fourth Proportional to 87,320.61, 130,871.39 and 37,342.04

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Solution

The fourth proportional to 87,320.61, 130,871.39 and 37,342.04 is: 55,966.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,320.61 : 130,871.39 = 37,342.04 : x
  2. Step 2: Convert to fraction form
    87,320.61/130,871.39 = 37,342.04/x
  3. Step 3: Cross multiply
    87,320.61x = 130,871.39 × 37,342.04
  4. Step 4: Simplify right side
    87,320.61x = 4,887,003,839.17
  5. Step 5: Solve for x
    x = 4,887,003,839.17/87,320.61
  6. Step 6: Final answer
    x = 55,966.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.