Home / 83,856.10-125,881.35-50,613.70

Finding the Fourth Proportional to 83,856.10, 125,881.35 and 50,613.70

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Solution

The fourth proportional to 83,856.10, 125,881.35 and 50,613.70 is: 75,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,856.10 : 125,881.35 = 50,613.70 : x
  2. Step 2: Convert to fraction form
    83,856.10/125,881.35 = 50,613.70/x
  3. Step 3: Cross multiply
    83,856.10x = 125,881.35 × 50,613.70
  4. Step 4: Simplify right side
    83,856.10x = 6,371,320,884.50
  5. Step 5: Solve for x
    x = 6,371,320,884.50/83,856.10
  6. Step 6: Final answer
    x = 75,979.22

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1.5x scale

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.