Home / 52,134.22-71,945.17-28,260.69

Finding the Fourth Proportional to 52,134.22, 71,945.17 and 28,260.69

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Solution

The fourth proportional to 52,134.22, 71,945.17 and 28,260.69 is: 38,999.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,134.22 : 71,945.17 = 28,260.69 : x
  2. Step 2: Convert to fraction form
    52,134.22/71,945.17 = 28,260.69/x
  3. Step 3: Cross multiply
    52,134.22x = 71,945.17 × 28,260.69
  4. Step 4: Simplify right side
    52,134.22x = 2,033,220,146.37
  5. Step 5: Solve for x
    x = 2,033,220,146.37/52,134.22
  6. Step 6: Final answer
    x = 38,999.72

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Half scale
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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.