Home / 87,061.77-130,592.66-57,472.69

Finding the Fourth Proportional to 87,061.77, 130,592.66 and 57,472.69

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Solution

The fourth proportional to 87,061.77, 130,592.66 and 57,472.69 is: 86,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,061.77 : 130,592.66 = 57,472.69 : x
  2. Step 2: Convert to fraction form
    87,061.77/130,592.66 = 57,472.69/x
  3. Step 3: Cross multiply
    87,061.77x = 130,592.66 × 57,472.69
  4. Step 4: Simplify right side
    87,061.77x = 7,505,511,095.47
  5. Step 5: Solve for x
    x = 7,505,511,095.47/87,061.77
  6. Step 6: Final answer
    x = 86,209.03

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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.