Home / 95,691.40-143,186.04-79,857.34

Finding the Fourth Proportional to 95,691.40, 143,186.04 and 79,857.34

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Solution

The fourth proportional to 95,691.40, 143,186.04 and 79,857.34 is: 119,493.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,691.40 : 143,186.04 = 79,857.34 : x
  2. Step 2: Convert to fraction form
    95,691.40/143,186.04 = 79,857.34/x
  3. Step 3: Cross multiply
    95,691.40x = 143,186.04 × 79,857.34
  4. Step 4: Simplify right side
    95,691.40x = 11,434,456,279.53
  5. Step 5: Solve for x
    x = 11,434,456,279.53/95,691.40
  6. Step 6: Final answer
    x = 119,493.04

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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.