Home / 87,711.57-131,343.15-48,225.28

Finding the Fourth Proportional to 87,711.57, 131,343.15 and 48,225.28

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Solution

The fourth proportional to 87,711.57, 131,343.15 and 48,225.28 is: 72,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,711.57 : 131,343.15 = 48,225.28 : x
  2. Step 2: Convert to fraction form
    87,711.57/131,343.15 = 48,225.28/x
  3. Step 3: Cross multiply
    87,711.57x = 131,343.15 × 48,225.28
  4. Step 4: Simplify right side
    87,711.57x = 6,334,060,184.83
  5. Step 5: Solve for x
    x = 6,334,060,184.83/87,711.57
  6. Step 6: Final answer
    x = 72,214.65

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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.