Home / 87,775.59-131,683.15-27,807.68

Finding the Fourth Proportional to 87,775.59, 131,683.15 and 27,807.68

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Solution

The fourth proportional to 87,775.59, 131,683.15 and 27,807.68 is: 41,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,775.59 : 131,683.15 = 27,807.68 : x
  2. Step 2: Convert to fraction form
    87,775.59/131,683.15 = 27,807.68/x
  3. Step 3: Cross multiply
    87,775.59x = 131,683.15 × 27,807.68
  4. Step 4: Simplify right side
    87,775.59x = 3,661,803,260.56
  5. Step 5: Solve for x
    x = 3,661,803,260.56/87,775.59
  6. Step 6: Final answer
    x = 41,717.78

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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.