Home / 102,553.62-141,524.01-56,613.30

Finding the Fourth Proportional to 102,553.62, 141,524.01 and 56,613.30

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Solution

The fourth proportional to 102,553.62, 141,524.01 and 56,613.30 is: 78,126.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,553.62 : 141,524.01 = 56,613.30 : x
  2. Step 2: Convert to fraction form
    102,553.62/141,524.01 = 56,613.30/x
  3. Step 3: Cross multiply
    102,553.62x = 141,524.01 × 56,613.30
  4. Step 4: Simplify right side
    102,553.62x = 8,012,141,235.33
  5. Step 5: Solve for x
    x = 8,012,141,235.33/102,553.62
  6. Step 6: Final answer
    x = 78,126.36

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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.