Home / 102,550.27-141,519.10-57,227.76

Finding the Fourth Proportional to 102,550.27, 141,519.10 and 57,227.76

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Solution

The fourth proportional to 102,550.27, 141,519.10 and 57,227.76 is: 78,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,550.27 : 141,519.10 = 57,227.76 : x
  2. Step 2: Convert to fraction form
    102,550.27/141,519.10 = 57,227.76/x
  3. Step 3: Cross multiply
    102,550.27x = 141,519.10 × 57,227.76
  4. Step 4: Simplify right side
    102,550.27x = 8,098,821,090.22
  5. Step 5: Solve for x
    x = 8,098,821,090.22/102,550.27
  6. Step 6: Final answer
    x = 78,974.16

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1.5x scale

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.