Home / 54,875.53-75,728.60-29,725.03

Finding the Fourth Proportional to 54,875.53, 75,728.60 and 29,725.03

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Solution

The fourth proportional to 54,875.53, 75,728.60 and 29,725.03 is: 41,020.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.53 : 75,728.60 = 29,725.03 : x
  2. Step 2: Convert to fraction form
    54,875.53/75,728.60 = 29,725.03/x
  3. Step 3: Cross multiply
    54,875.53x = 75,728.60 × 29,725.03
  4. Step 4: Simplify right side
    54,875.53x = 2,251,034,906.86
  5. Step 5: Solve for x
    x = 2,251,034,906.86/54,875.53
  6. Step 6: Final answer
    x = 41,020.74

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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.