Home / 54,782.73-82,124.28-28,505.52

Finding the Fourth Proportional to 54,782.73, 82,124.28 and 28,505.52

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Solution

The fourth proportional to 54,782.73, 82,124.28 and 28,505.52 is: 42,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,782.73 : 82,124.28 = 28,505.52 : x
  2. Step 2: Convert to fraction form
    54,782.73/82,124.28 = 28,505.52/x
  3. Step 3: Cross multiply
    54,782.73x = 82,124.28 × 28,505.52
  4. Step 4: Simplify right side
    54,782.73x = 2,340,995,306.03
  5. Step 5: Solve for x
    x = 2,340,995,306.03/54,782.73
  6. Step 6: Final answer
    x = 42,732.36

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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.