Home / 87,587.90-131,376.36-34,959.56

Finding the Fourth Proportional to 87,587.90, 131,376.36 and 34,959.56

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Solution

The fourth proportional to 87,587.90, 131,376.36 and 34,959.56 is: 52,437.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,587.90 : 131,376.36 = 34,959.56 : x
  2. Step 2: Convert to fraction form
    87,587.90/131,376.36 = 34,959.56/x
  3. Step 3: Cross multiply
    87,587.90x = 131,376.36 × 34,959.56
  4. Step 4: Simplify right side
    87,587.90x = 4,592,859,740.00
  5. Step 5: Solve for x
    x = 4,592,859,740.00/87,587.90
  6. Step 6: Final answer
    x = 52,437.15

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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.