Home / 83,613.48-125,439.38-36,236.53

Finding the Fourth Proportional to 83,613.48, 125,439.38 and 36,236.53

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Solution

The fourth proportional to 83,613.48, 125,439.38 and 36,236.53 is: 54,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,613.48 : 125,439.38 = 36,236.53 : x
  2. Step 2: Convert to fraction form
    83,613.48/125,439.38 = 36,236.53/x
  3. Step 3: Cross multiply
    83,613.48x = 125,439.38 × 36,236.53
  4. Step 4: Simplify right side
    83,613.48x = 4,545,487,856.55
  5. Step 5: Solve for x
    x = 4,545,487,856.55/83,613.48
  6. Step 6: Final answer
    x = 54,363.10

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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.