Home / 54,874.83-82,312.55-15,432.29

Finding the Fourth Proportional to 54,874.83, 82,312.55 and 15,432.29

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Solution

The fourth proportional to 54,874.83, 82,312.55 and 15,432.29 is: 23,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,874.83 : 82,312.55 = 15,432.29 : x
  2. Step 2: Convert to fraction form
    54,874.83/82,312.55 = 15,432.29/x
  3. Step 3: Cross multiply
    54,874.83x = 82,312.55 × 15,432.29
  4. Step 4: Simplify right side
    54,874.83x = 1,270,270,653.52
  5. Step 5: Solve for x
    x = 1,270,270,653.52/54,874.83
  6. Step 6: Final answer
    x = 23,148.51

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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.