Home / 49,520.04-68,350.68-30,672.96

Finding the Fourth Proportional to 49,520.04, 68,350.68 and 30,672.96

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Solution

The fourth proportional to 49,520.04, 68,350.68 and 30,672.96 is: 42,336.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,520.04 : 68,350.68 = 30,672.96 : x
  2. Step 2: Convert to fraction form
    49,520.04/68,350.68 = 30,672.96/x
  3. Step 3: Cross multiply
    49,520.04x = 68,350.68 × 30,672.96
  4. Step 4: Simplify right side
    49,520.04x = 2,096,517,673.61
  5. Step 5: Solve for x
    x = 2,096,517,673.61/49,520.04
  6. Step 6: Final answer
    x = 42,336.75

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Half scale
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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.