Home / 54,961.17-82,432.43-15,509.04

Finding the Fourth Proportional to 54,961.17, 82,432.43 and 15,509.04

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Solution

The fourth proportional to 54,961.17, 82,432.43 and 15,509.04 is: 23,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,961.17 : 82,432.43 = 15,509.04 : x
  2. Step 2: Convert to fraction form
    54,961.17/82,432.43 = 15,509.04/x
  3. Step 3: Cross multiply
    54,961.17x = 82,432.43 × 15,509.04
  4. Step 4: Simplify right side
    54,961.17x = 1,278,447,854.17
  5. Step 5: Solve for x
    x = 1,278,447,854.17/54,961.17
  6. Step 6: Final answer
    x = 23,260.93

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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.