Home / 83,375.73-115,065.09-47,557.53

Finding the Fourth Proportional to 83,375.73, 115,065.09 and 47,557.53

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Solution

The fourth proportional to 83,375.73, 115,065.09 and 47,557.53 is: 65,633.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,375.73 : 115,065.09 = 47,557.53 : x
  2. Step 2: Convert to fraction form
    83,375.73/115,065.09 = 47,557.53/x
  3. Step 3: Cross multiply
    83,375.73x = 115,065.09 × 47,557.53
  4. Step 4: Simplify right side
    83,375.73x = 5,472,211,469.63
  5. Step 5: Solve for x
    x = 5,472,211,469.63/83,375.73
  6. Step 6: Final answer
    x = 65,633.15

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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.