Home / 63,265.50-87,306.39-38,120.22

Finding the Fourth Proportional to 63,265.50, 87,306.39 and 38,120.22

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Solution

The fourth proportional to 63,265.50, 87,306.39 and 38,120.22 is: 52,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,265.50 : 87,306.39 = 38,120.22 : x
  2. Step 2: Convert to fraction form
    63,265.50/87,306.39 = 38,120.22/x
  3. Step 3: Cross multiply
    63,265.50x = 87,306.39 × 38,120.22
  4. Step 4: Simplify right side
    63,265.50x = 3,328,138,794.21
  5. Step 5: Solve for x
    x = 3,328,138,794.21/63,265.50
  6. Step 6: Final answer
    x = 52,605.90

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Double scale
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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.