Home / 99,082.89-136,732.91-53,760.96

Finding the Fourth Proportional to 99,082.89, 136,732.91 and 53,760.96

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Solution

The fourth proportional to 99,082.89, 136,732.91 and 53,760.96 is: 74,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,082.89 : 136,732.91 = 53,760.96 : x
  2. Step 2: Convert to fraction form
    99,082.89/136,732.91 = 53,760.96/x
  3. Step 3: Cross multiply
    99,082.89x = 136,732.91 × 53,760.96
  4. Step 4: Simplify right side
    99,082.89x = 7,350,892,236.39
  5. Step 5: Solve for x
    x = 7,350,892,236.39/99,082.89
  6. Step 6: Final answer
    x = 74,189.32

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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.