Home / 104,743.17-144,520.38-61,724.43

Finding the Fourth Proportional to 104,743.17, 144,520.38 and 61,724.43

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Solution

The fourth proportional to 104,743.17, 144,520.38 and 61,724.43 is: 85,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,743.17 : 144,520.38 = 61,724.43 : x
  2. Step 2: Convert to fraction form
    104,743.17/144,520.38 = 61,724.43/x
  3. Step 3: Cross multiply
    104,743.17x = 144,520.38 × 61,724.43
  4. Step 4: Simplify right side
    104,743.17x = 8,920,438,078.88
  5. Step 5: Solve for x
    x = 8,920,438,078.88/104,743.17
  6. Step 6: Final answer
    x = 85,164.87

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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.