Home / 111,691.24-154,134.94-60,704.10

Finding the Fourth Proportional to 111,691.24, 154,134.94 and 60,704.10

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Solution

The fourth proportional to 111,691.24, 154,134.94 and 60,704.10 is: 83,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,691.24 : 154,134.94 = 60,704.10 : x
  2. Step 2: Convert to fraction form
    111,691.24/154,134.94 = 60,704.10/x
  3. Step 3: Cross multiply
    111,691.24x = 154,134.94 × 60,704.10
  4. Step 4: Simplify right side
    111,691.24x = 9,356,622,811.25
  5. Step 5: Solve for x
    x = 9,356,622,811.25/111,691.24
  6. Step 6: Final answer
    x = 83,772.22

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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.