Home / 61,279.92-84,553.17-35,774.70

Finding the Fourth Proportional to 61,279.92, 84,553.17 and 35,774.70

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Solution

The fourth proportional to 61,279.92, 84,553.17 and 35,774.70 is: 49,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,279.92 : 84,553.17 = 35,774.70 : x
  2. Step 2: Convert to fraction form
    61,279.92/84,553.17 = 35,774.70/x
  3. Step 3: Cross multiply
    61,279.92x = 84,553.17 × 35,774.70
  4. Step 4: Simplify right side
    61,279.92x = 3,024,864,290.80
  5. Step 5: Solve for x
    x = 3,024,864,290.80/61,279.92
  6. Step 6: Final answer
    x = 49,361.43

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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.