Home / 99,082.41-136,731.54-53,760.48

Finding the Fourth Proportional to 99,082.41, 136,731.54 and 53,760.48

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Solution

The fourth proportional to 99,082.41, 136,731.54 and 53,760.48 is: 74,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,082.41 : 136,731.54 = 53,760.48 : x
  2. Step 2: Convert to fraction form
    99,082.41/136,731.54 = 53,760.48/x
  3. Step 3: Cross multiply
    99,082.41x = 136,731.54 × 53,760.48
  4. Step 4: Simplify right side
    99,082.41x = 7,350,753,221.54
  5. Step 5: Solve for x
    x = 7,350,753,221.54/99,082.41
  6. Step 6: Final answer
    x = 74,188.28

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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.