Home / 83,543.39-115,295.98-47,732.64

Finding the Fourth Proportional to 83,543.39, 115,295.98 and 47,732.64

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Solution

The fourth proportional to 83,543.39, 115,295.98 and 47,732.64 is: 65,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,543.39 : 115,295.98 = 47,732.64 : x
  2. Step 2: Convert to fraction form
    83,543.39/115,295.98 = 47,732.64/x
  3. Step 3: Cross multiply
    83,543.39x = 115,295.98 × 47,732.64
  4. Step 4: Simplify right side
    83,543.39x = 5,503,381,134.09
  5. Step 5: Solve for x
    x = 5,503,381,134.09/83,543.39
  6. Step 6: Final answer
    x = 65,874.52

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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.