Home / 107,728.89-161,663.04-48,560.97

Finding the Fourth Proportional to 107,728.89, 161,663.04 and 48,560.97

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Solution

The fourth proportional to 107,728.89, 161,663.04 and 48,560.97 is: 72,872.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,728.89 : 161,663.04 = 48,560.97 : x
  2. Step 2: Convert to fraction form
    107,728.89/161,663.04 = 48,560.97/x
  3. Step 3: Cross multiply
    107,728.89x = 161,663.04 × 48,560.97
  4. Step 4: Simplify right side
    107,728.89x = 7,850,513,732.43
  5. Step 5: Solve for x
    x = 7,850,513,732.43/107,728.89
  6. Step 6: Final answer
    x = 72,872.88

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1.5x scale

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.