Home / 71,821.27-107,695.85-41,845.21

Finding the Fourth Proportional to 71,821.27, 107,695.85 and 41,845.21

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Solution

The fourth proportional to 71,821.27, 107,695.85 and 41,845.21 is: 62,746.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,821.27 : 107,695.85 = 41,845.21 : x
  2. Step 2: Convert to fraction form
    71,821.27/107,695.85 = 41,845.21/x
  3. Step 3: Cross multiply
    71,821.27x = 107,695.85 × 41,845.21
  4. Step 4: Simplify right side
    71,821.27x = 4,506,555,250.15
  5. Step 5: Solve for x
    x = 4,506,555,250.15/71,821.27
  6. Step 6: Final answer
    x = 62,746.81

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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.