Home / 69,162.20-95,442.58-38,947.40

Finding the Fourth Proportional to 69,162.20, 95,442.58 and 38,947.40

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Solution

The fourth proportional to 69,162.20, 95,442.58 and 38,947.40 is: 53,746.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,162.20 : 95,442.58 = 38,947.40 : x
  2. Step 2: Convert to fraction form
    69,162.20/95,442.58 = 38,947.40/x
  3. Step 3: Cross multiply
    69,162.20x = 95,442.58 × 38,947.40
  4. Step 4: Simplify right side
    69,162.20x = 3,717,240,340.29
  5. Step 5: Solve for x
    x = 3,717,240,340.29/69,162.20
  6. Step 6: Final answer
    x = 53,746.70

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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.