Home / 83,613.84-125,439.91-36,236.87

Finding the Fourth Proportional to 83,613.84, 125,439.91 and 36,236.87

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Solution

The fourth proportional to 83,613.84, 125,439.91 and 36,236.87 is: 54,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,613.84 : 125,439.91 = 36,236.87 : x
  2. Step 2: Convert to fraction form
    83,613.84/125,439.91 = 36,236.87/x
  3. Step 3: Cross multiply
    83,613.84x = 125,439.91 × 36,236.87
  4. Step 4: Simplify right side
    83,613.84x = 4,545,549,464.09
  5. Step 5: Solve for x
    x = 4,545,549,464.09/83,613.84
  6. Step 6: Final answer
    x = 54,363.60

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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.