Home / 87,513.14-131,320.62-36,909.02

Finding the Fourth Proportional to 87,513.14, 131,320.62 and 36,909.02

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Solution

The fourth proportional to 87,513.14, 131,320.62 and 36,909.02 is: 55,385.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,513.14 : 131,320.62 = 36,909.02 : x
  2. Step 2: Convert to fraction form
    87,513.14/131,320.62 = 36,909.02/x
  3. Step 3: Cross multiply
    87,513.14x = 131,320.62 × 36,909.02
  4. Step 4: Simplify right side
    87,513.14x = 4,846,914,733.39
  5. Step 5: Solve for x
    x = 4,846,914,733.39/87,513.14
  6. Step 6: Final answer
    x = 55,385.00

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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.