Home / 111,446.38-153,793.33-61,717.29

Finding the Fourth Proportional to 111,446.38, 153,793.33 and 61,717.29

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Solution

The fourth proportional to 111,446.38, 153,793.33 and 61,717.29 is: 85,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,446.38 : 153,793.33 = 61,717.29 : x
  2. Step 2: Convert to fraction form
    111,446.38/153,793.33 = 61,717.29/x
  3. Step 3: Cross multiply
    111,446.38x = 153,793.33 × 61,717.29
  4. Step 4: Simplify right side
    111,446.38x = 9,491,707,547.68
  5. Step 5: Solve for x
    x = 9,491,707,547.68/111,446.38
  6. Step 6: Final answer
    x = 85,168.38

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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.