Home / 87,310.98-130,856.82-37,332.36

Finding the Fourth Proportional to 87,310.98, 130,856.82 and 37,332.36

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Solution

The fourth proportional to 87,310.98, 130,856.82 and 37,332.36 is: 55,951.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,310.98 : 130,856.82 = 37,332.36 : x
  2. Step 2: Convert to fraction form
    87,310.98/130,856.82 = 37,332.36/x
  3. Step 3: Cross multiply
    87,310.98x = 130,856.82 × 37,332.36
  4. Step 4: Simplify right side
    87,310.98x = 4,885,193,912.70
  5. Step 5: Solve for x
    x = 4,885,193,912.70/87,310.98
  6. Step 6: Final answer
    x = 55,951.66

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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.