Home / 124,590.38-171,934.68-68,001.76

Finding the Fourth Proportional to 124,590.38, 171,934.68 and 68,001.76

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Solution

The fourth proportional to 124,590.38, 171,934.68 and 68,001.76 is: 93,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,590.38 : 171,934.68 = 68,001.76 : x
  2. Step 2: Convert to fraction form
    124,590.38/171,934.68 = 68,001.76/x
  3. Step 3: Cross multiply
    124,590.38x = 171,934.68 × 68,001.76
  4. Step 4: Simplify right side
    124,590.38x = 11,691,860,845.04
  5. Step 5: Solve for x
    x = 11,691,860,845.04/124,590.38
  6. Step 6: Final answer
    x = 93,842.40

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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.