Home / 54,710.28-75,500.22-29,559.78

Finding the Fourth Proportional to 54,710.28, 75,500.22 and 29,559.78

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Solution

The fourth proportional to 54,710.28, 75,500.22 and 29,559.78 is: 40,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,710.28 : 75,500.22 = 29,559.78 : x
  2. Step 2: Convert to fraction form
    54,710.28/75,500.22 = 29,559.78/x
  3. Step 3: Cross multiply
    54,710.28x = 75,500.22 × 29,559.78
  4. Step 4: Simplify right side
    54,710.28x = 2,231,769,893.15
  5. Step 5: Solve for x
    x = 2,231,769,893.15/54,710.28
  6. Step 6: Final answer
    x = 40,792.51

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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.