Home / 79,272.28-118,920.70-26,677.66

Finding the Fourth Proportional to 79,272.28, 118,920.70 and 26,677.66

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Solution

The fourth proportional to 79,272.28, 118,920.70 and 26,677.66 is: 40,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,272.28 : 118,920.70 = 26,677.66 : x
  2. Step 2: Convert to fraction form
    79,272.28/118,920.70 = 26,677.66/x
  3. Step 3: Cross multiply
    79,272.28x = 118,920.70 × 26,677.66
  4. Step 4: Simplify right side
    79,272.28x = 3,172,526,001.56
  5. Step 5: Solve for x
    x = 3,172,526,001.56/79,272.28
  6. Step 6: Final answer
    x = 40,020.62

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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.