Home / 111,747.38-154,211.38-61,446.38

Finding the Fourth Proportional to 111,747.38, 154,211.38 and 61,446.38

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Solution

The fourth proportional to 111,747.38, 154,211.38 and 61,446.38 is: 84,796.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,747.38 : 154,211.38 = 61,446.38 : x
  2. Step 2: Convert to fraction form
    111,747.38/154,211.38 = 61,446.38/x
  3. Step 3: Cross multiply
    111,747.38x = 154,211.38 × 61,446.38
  4. Step 4: Simplify right side
    111,747.38x = 9,475,730,131.13
  5. Step 5: Solve for x
    x = 9,475,730,131.13/111,747.38
  6. Step 6: Final answer
    x = 84,796.00

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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.