Home / 87,359.10-131,010.90-37,425.84

Finding the Fourth Proportional to 87,359.10, 131,010.90 and 37,425.84

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Solution

The fourth proportional to 87,359.10, 131,010.90 and 37,425.84 is: 56,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,359.10 : 131,010.90 = 37,425.84 : x
  2. Step 2: Convert to fraction form
    87,359.10/131,010.90 = 37,425.84/x
  3. Step 3: Cross multiply
    87,359.10x = 131,010.90 × 37,425.84
  4. Step 4: Simplify right side
    87,359.10x = 4,903,192,981.66
  5. Step 5: Solve for x
    x = 4,903,192,981.66/87,359.10
  6. Step 6: Final answer
    x = 56,126.87

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1.5x scale

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.