Home / 111,731.67-154,192.74-60,747.83

Finding the Fourth Proportional to 111,731.67, 154,192.74 and 60,747.83

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Solution

The fourth proportional to 111,731.67, 154,192.74 and 60,747.83 is: 83,833.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,731.67 : 154,192.74 = 60,747.83 : x
  2. Step 2: Convert to fraction form
    111,731.67/154,192.74 = 60,747.83/x
  3. Step 3: Cross multiply
    111,731.67x = 154,192.74 × 60,747.83
  4. Step 4: Simplify right side
    111,731.67x = 9,366,873,936.21
  5. Step 5: Solve for x
    x = 9,366,873,936.21/111,731.67
  6. Step 6: Final answer
    x = 83,833.65

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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.