Home / 68,895.16-95,074.92-38,680.47

Finding the Fourth Proportional to 68,895.16, 95,074.92 and 38,680.47

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Solution

The fourth proportional to 68,895.16, 95,074.92 and 38,680.47 is: 53,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,895.16 : 95,074.92 = 38,680.47 : x
  2. Step 2: Convert to fraction form
    68,895.16/95,074.92 = 38,680.47/x
  3. Step 3: Cross multiply
    68,895.16x = 95,074.92 × 38,680.47
  4. Step 4: Simplify right side
    68,895.16x = 3,677,542,590.81
  5. Step 5: Solve for x
    x = 3,677,542,590.81/68,895.16
  6. Step 6: Final answer
    x = 53,378.83

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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.