Home / 54,990.87-75,921.80-37,792.86

Finding the Fourth Proportional to 54,990.87, 75,921.80 and 37,792.86

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Solution

The fourth proportional to 54,990.87, 75,921.80 and 37,792.86 is: 52,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,990.87 : 75,921.80 = 37,792.86 : x
  2. Step 2: Convert to fraction form
    54,990.87/75,921.80 = 37,792.86/x
  3. Step 3: Cross multiply
    54,990.87x = 75,921.80 × 37,792.86
  4. Step 4: Simplify right side
    54,990.87x = 2,869,301,769.38
  5. Step 5: Solve for x
    x = 2,869,301,769.38/54,990.87
  6. Step 6: Final answer
    x = 52,177.78

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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.