Home / 83,715.39-115,546.91-47,925.95

Finding the Fourth Proportional to 83,715.39, 115,546.91 and 47,925.95

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Solution

The fourth proportional to 83,715.39, 115,546.91 and 47,925.95 is: 66,149.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,715.39 : 115,546.91 = 47,925.95 : x
  2. Step 2: Convert to fraction form
    83,715.39/115,546.91 = 47,925.95/x
  3. Step 3: Cross multiply
    83,715.39x = 115,546.91 × 47,925.95
  4. Step 4: Simplify right side
    83,715.39x = 5,537,694,613.95
  5. Step 5: Solve for x
    x = 5,537,694,613.95/83,715.39
  6. Step 6: Final answer
    x = 66,149.06

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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.