Home / 111,174.12-153,422.10-60,869.88

Finding the Fourth Proportional to 111,174.12, 153,422.10 and 60,869.88

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Solution

The fourth proportional to 111,174.12, 153,422.10 and 60,869.88 is: 84,001.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,174.12 : 153,422.10 = 60,869.88 : x
  2. Step 2: Convert to fraction form
    111,174.12/153,422.10 = 60,869.88/x
  3. Step 3: Cross multiply
    111,174.12x = 153,422.10 × 60,869.88
  4. Step 4: Simplify right side
    111,174.12x = 9,338,784,816.35
  5. Step 5: Solve for x
    x = 9,338,784,816.35/111,174.12
  6. Step 6: Final answer
    x = 84,001.43

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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.