Home / 87,731.94-131,648.07-37,126.98

Finding the Fourth Proportional to 87,731.94, 131,648.07 and 37,126.98

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Solution

The fourth proportional to 87,731.94, 131,648.07 and 37,126.98 is: 55,711.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,731.94 : 131,648.07 = 37,126.98 : x
  2. Step 2: Convert to fraction form
    87,731.94/131,648.07 = 37,126.98/x
  3. Step 3: Cross multiply
    87,731.94x = 131,648.07 × 37,126.98
  4. Step 4: Simplify right side
    87,731.94x = 4,887,695,261.93
  5. Step 5: Solve for x
    x = 4,887,695,261.93/87,731.94
  6. Step 6: Final answer
    x = 55,711.70

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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.