Home / 87,534.10-131,333.55-34,981.30

Finding the Fourth Proportional to 87,534.10, 131,333.55 and 34,981.30

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Solution

The fourth proportional to 87,534.10, 131,333.55 and 34,981.30 is: 52,484.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,534.10 : 131,333.55 = 34,981.30 : x
  2. Step 2: Convert to fraction form
    87,534.10/131,333.55 = 34,981.30/x
  3. Step 3: Cross multiply
    87,534.10x = 131,333.55 × 34,981.30
  4. Step 4: Simplify right side
    87,534.10x = 4,594,218,312.62
  5. Step 5: Solve for x
    x = 4,594,218,312.62/87,534.10
  6. Step 6: Final answer
    x = 52,484.90

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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.