Home / 101,278.91-151,902.38-63,724.02

Finding the Fourth Proportional to 101,278.91, 151,902.38 and 63,724.02

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Solution

The fourth proportional to 101,278.91, 151,902.38 and 63,724.02 is: 95,575.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,278.91 : 151,902.38 = 63,724.02 : x
  2. Step 2: Convert to fraction form
    101,278.91/151,902.38 = 63,724.02/x
  3. Step 3: Cross multiply
    101,278.91x = 151,902.38 × 63,724.02
  4. Step 4: Simplify right side
    101,278.91x = 9,679,829,982.55
  5. Step 5: Solve for x
    x = 9,679,829,982.55/101,278.91
  6. Step 6: Final answer
    x = 95,575.97

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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.