Home / 87,262.55-130,772.71-39,761.55

Finding the Fourth Proportional to 87,262.55, 130,772.71 and 39,761.55

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Solution

The fourth proportional to 87,262.55, 130,772.71 and 39,761.55 is: 59,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,262.55 : 130,772.71 = 39,761.55 : x
  2. Step 2: Convert to fraction form
    87,262.55/130,772.71 = 39,761.55/x
  3. Step 3: Cross multiply
    87,262.55x = 130,772.71 × 39,761.55
  4. Step 4: Simplify right side
    87,262.55x = 5,199,725,448.49
  5. Step 5: Solve for x
    x = 5,199,725,448.49/87,262.55
  6. Step 6: Final answer
    x = 59,587.14

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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.