Home / 87,660.36-131,489.73-37,775.70

Finding the Fourth Proportional to 87,660.36, 131,489.73 and 37,775.70

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Solution

The fourth proportional to 87,660.36, 131,489.73 and 37,775.70 is: 56,663.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,660.36 : 131,489.73 = 37,775.70 : x
  2. Step 2: Convert to fraction form
    87,660.36/131,489.73 = 37,775.70/x
  3. Step 3: Cross multiply
    87,660.36x = 131,489.73 × 37,775.70
  4. Step 4: Simplify right side
    87,660.36x = 4,967,116,593.56
  5. Step 5: Solve for x
    x = 4,967,116,593.56/87,660.36
  6. Step 6: Final answer
    x = 56,663.20

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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.