Home / 43,040.97-64,565.17-11,876.22

Finding the Fourth Proportional to 43,040.97, 64,565.17 and 11,876.22

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Solution

The fourth proportional to 43,040.97, 64,565.17 and 11,876.22 is: 17,815.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,040.97 : 64,565.17 = 11,876.22 : x
  2. Step 2: Convert to fraction form
    43,040.97/64,565.17 = 11,876.22/x
  3. Step 3: Cross multiply
    43,040.97x = 64,565.17 × 11,876.22
  4. Step 4: Simplify right side
    43,040.97x = 766,790,133.57
  5. Step 5: Solve for x
    x = 766,790,133.57/43,040.97
  6. Step 6: Final answer
    x = 17,815.35

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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.