Home / 105,942.74-158,939.62-39,385.04

Finding the Fourth Proportional to 105,942.74, 158,939.62 and 39,385.04

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Solution

The fourth proportional to 105,942.74, 158,939.62 and 39,385.04 is: 59,087.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,942.74 : 158,939.62 = 39,385.04 : x
  2. Step 2: Convert to fraction form
    105,942.74/158,939.62 = 39,385.04/x
  3. Step 3: Cross multiply
    105,942.74x = 158,939.62 × 39,385.04
  4. Step 4: Simplify right side
    105,942.74x = 6,259,842,398.12
  5. Step 5: Solve for x
    x = 6,259,842,398.12/105,942.74
  6. Step 6: Final answer
    x = 59,087.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.