Home / 129,082.56-193,646.40-58,968.96

Finding the Fourth Proportional to 129,082.56, 193,646.40 and 58,968.96

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Solution

The fourth proportional to 129,082.56, 193,646.40 and 58,968.96 is: 88,463.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,082.56 : 193,646.40 = 58,968.96 : x
  2. Step 2: Convert to fraction form
    129,082.56/193,646.40 = 58,968.96/x
  3. Step 3: Cross multiply
    129,082.56x = 193,646.40 × 58,968.96
  4. Step 4: Simplify right side
    129,082.56x = 11,419,126,815.74
  5. Step 5: Solve for x
    x = 11,419,126,815.74/129,082.56
  6. Step 6: Final answer
    x = 88,463.75

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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.