Home / 87,385.27-130,987.01-59,307.61

Finding the Fourth Proportional to 87,385.27, 130,987.01 and 59,307.61

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Solution

The fourth proportional to 87,385.27, 130,987.01 and 59,307.61 is: 88,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,385.27 : 130,987.01 = 59,307.61 : x
  2. Step 2: Convert to fraction form
    87,385.27/130,987.01 = 59,307.61/x
  3. Step 3: Cross multiply
    87,385.27x = 130,987.01 × 59,307.61
  4. Step 4: Simplify right side
    87,385.27x = 7,768,526,236.94
  5. Step 5: Solve for x
    x = 7,768,526,236.94/87,385.27
  6. Step 6: Final answer
    x = 88,899.72

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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.