Home / 111,731.80-154,192.92-60,747.96

Finding the Fourth Proportional to 111,731.80, 154,192.92 and 60,747.96

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Solution

The fourth proportional to 111,731.80, 154,192.92 and 60,747.96 is: 83,833.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,731.80 : 154,192.92 = 60,747.96 : x
  2. Step 2: Convert to fraction form
    111,731.80/154,192.92 = 60,747.96/x
  3. Step 3: Cross multiply
    111,731.80x = 154,192.92 × 60,747.96
  4. Step 4: Simplify right side
    111,731.80x = 9,366,905,336.44
  5. Step 5: Solve for x
    x = 9,366,905,336.44/111,731.80
  6. Step 6: Final answer
    x = 83,833.84

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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.