Home / 83,542.89-115,295.29-47,732.13

Finding the Fourth Proportional to 83,542.89, 115,295.29 and 47,732.13

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Solution

The fourth proportional to 83,542.89, 115,295.29 and 47,732.13 is: 65,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,542.89 : 115,295.29 = 47,732.13 : x
  2. Step 2: Convert to fraction form
    83,542.89/115,295.29 = 47,732.13/x
  3. Step 3: Cross multiply
    83,542.89x = 115,295.29 × 47,732.13
  4. Step 4: Simplify right side
    83,542.89x = 5,503,289,532.01
  5. Step 5: Solve for x
    x = 5,503,289,532.01/83,542.89
  6. Step 6: Final answer
    x = 65,873.82

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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.