Home / 52,251.47-72,107.15-28,377.63

Finding the Fourth Proportional to 52,251.47, 72,107.15 and 28,377.63

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Solution

The fourth proportional to 52,251.47, 72,107.15 and 28,377.63 is: 39,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,251.47 : 72,107.15 = 28,377.63 : x
  2. Step 2: Convert to fraction form
    52,251.47/72,107.15 = 28,377.63/x
  3. Step 3: Cross multiply
    52,251.47x = 72,107.15 × 28,377.63
  4. Step 4: Simplify right side
    52,251.47x = 2,046,230,023.05
  5. Step 5: Solve for x
    x = 2,046,230,023.05/52,251.47
  6. Step 6: Final answer
    x = 39,161.20

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Double scale
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Similar ratio
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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.