Home / 87,459.52-131,188.84-34,156.91

Finding the Fourth Proportional to 87,459.52, 131,188.84 and 34,156.91

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Solution

The fourth proportional to 87,459.52, 131,188.84 and 34,156.91 is: 51,235.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,459.52 : 131,188.84 = 34,156.91 : x
  2. Step 2: Convert to fraction form
    87,459.52/131,188.84 = 34,156.91/x
  3. Step 3: Cross multiply
    87,459.52x = 131,188.84 × 34,156.91
  4. Step 4: Simplify right side
    87,459.52x = 4,481,005,400.88
  5. Step 5: Solve for x
    x = 4,481,005,400.88/87,459.52
  6. Step 6: Final answer
    x = 51,235.19

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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.