Home / 111,528.39-167,318.91-36,648.75

Finding the Fourth Proportional to 111,528.39, 167,318.91 and 36,648.75

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Solution

The fourth proportional to 111,528.39, 167,318.91 and 36,648.75 is: 54,981.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,528.39 : 167,318.91 = 36,648.75 : x
  2. Step 2: Convert to fraction form
    111,528.39/167,318.91 = 36,648.75/x
  3. Step 3: Cross multiply
    111,528.39x = 167,318.91 × 36,648.75
  4. Step 4: Simplify right side
    111,528.39x = 6,132,028,902.86
  5. Step 5: Solve for x
    x = 6,132,028,902.86/111,528.39
  6. Step 6: Final answer
    x = 54,981.78

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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.