Home / 74,212.13-111,318.20-32,659.13

Finding the Fourth Proportional to 74,212.13, 111,318.20 and 32,659.13

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Solution

The fourth proportional to 74,212.13, 111,318.20 and 32,659.13 is: 48,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,212.13 : 111,318.20 = 32,659.13 : x
  2. Step 2: Convert to fraction form
    74,212.13/111,318.20 = 32,659.13/x
  3. Step 3: Cross multiply
    74,212.13x = 111,318.20 × 32,659.13
  4. Step 4: Simplify right side
    74,212.13x = 3,635,554,845.28
  5. Step 5: Solve for x
    x = 3,635,554,845.28/74,212.13
  6. Step 6: Final answer
    x = 48,988.69

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.