Home / 87,668.83-131,507.15-26,874.62

Finding the Fourth Proportional to 87,668.83, 131,507.15 and 26,874.62

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Solution

The fourth proportional to 87,668.83, 131,507.15 and 26,874.62 is: 40,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,668.83 : 131,507.15 = 26,874.62 : x
  2. Step 2: Convert to fraction form
    87,668.83/131,507.15 = 26,874.62/x
  3. Step 3: Cross multiply
    87,668.83x = 131,507.15 × 26,874.62
  4. Step 4: Simplify right side
    87,668.83x = 3,534,204,683.53
  5. Step 5: Solve for x
    x = 3,534,204,683.53/87,668.83
  6. Step 6: Final answer
    x = 40,313.13

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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.