Home / 83,789.33-125,613.18-36,368.55

Finding the Fourth Proportional to 83,789.33, 125,613.18 and 36,368.55

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Solution

The fourth proportional to 83,789.33, 125,613.18 and 36,368.55 is: 54,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,789.33 : 125,613.18 = 36,368.55 : x
  2. Step 2: Convert to fraction form
    83,789.33/125,613.18 = 36,368.55/x
  3. Step 3: Cross multiply
    83,789.33x = 125,613.18 × 36,368.55
  4. Step 4: Simplify right side
    83,789.33x = 4,568,369,217.49
  5. Step 5: Solve for x
    x = 4,568,369,217.49/83,789.33
  6. Step 6: Final answer
    x = 54,522.09

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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.