Home / 54,877.68-75,731.20-29,727.18

Finding the Fourth Proportional to 54,877.68, 75,731.20 and 29,727.18

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Solution

The fourth proportional to 54,877.68, 75,731.20 and 29,727.18 is: 41,023.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,877.68 : 75,731.20 = 29,727.18 : x
  2. Step 2: Convert to fraction form
    54,877.68/75,731.20 = 29,727.18/x
  3. Step 3: Cross multiply
    54,877.68x = 75,731.20 × 29,727.18
  4. Step 4: Simplify right side
    54,877.68x = 2,251,275,014.02
  5. Step 5: Solve for x
    x = 2,251,275,014.02/54,877.68
  6. Step 6: Final answer
    x = 41,023.51

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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.