Home / 87,553.04-131,370.60-43,155.60

Finding the Fourth Proportional to 87,553.04, 131,370.60 and 43,155.60

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Solution

The fourth proportional to 87,553.04, 131,370.60 and 43,155.60 is: 64,753.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,553.04 : 131,370.60 = 43,155.60 : x
  2. Step 2: Convert to fraction form
    87,553.04/131,370.60 = 43,155.60/x
  3. Step 3: Cross multiply
    87,553.04x = 131,370.60 × 43,155.60
  4. Step 4: Simplify right side
    87,553.04x = 5,669,377,065.36
  5. Step 5: Solve for x
    x = 5,669,377,065.36/87,553.04
  6. Step 6: Final answer
    x = 64,753.63

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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.