Home / 78,034.73-107,688.30-44,044.65

Finding the Fourth Proportional to 78,034.73, 107,688.30 and 44,044.65

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Solution

The fourth proportional to 78,034.73, 107,688.30 and 44,044.65 is: 60,781.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,034.73 : 107,688.30 = 44,044.65 : x
  2. Step 2: Convert to fraction form
    78,034.73/107,688.30 = 44,044.65/x
  3. Step 3: Cross multiply
    78,034.73x = 107,688.30 × 44,044.65
  4. Step 4: Simplify right side
    78,034.73x = 4,743,093,317.43
  5. Step 5: Solve for x
    x = 4,743,093,317.43/78,034.73
  6. Step 6: Final answer
    x = 60,781.83

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1.5x scale

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.