Home / 87,882.30-121,269.56-52,066.53

Finding the Fourth Proportional to 87,882.30, 121,269.56 and 52,066.53

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Solution

The fourth proportional to 87,882.30, 121,269.56 and 52,066.53 is: 71,847.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,882.30 : 121,269.56 = 52,066.53 : x
  2. Step 2: Convert to fraction form
    87,882.30/121,269.56 = 52,066.53/x
  3. Step 3: Cross multiply
    87,882.30x = 121,269.56 × 52,066.53
  4. Step 4: Simplify right side
    87,882.30x = 6,314,084,923.49
  5. Step 5: Solve for x
    x = 6,314,084,923.49/87,882.30
  6. Step 6: Final answer
    x = 71,847.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.