Home / 79,605.40-119,382.66-26,287.44

Finding the Fourth Proportional to 79,605.40, 119,382.66 and 26,287.44

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Solution

The fourth proportional to 79,605.40, 119,382.66 and 26,287.44 is: 39,422.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,605.40 : 119,382.66 = 26,287.44 : x
  2. Step 2: Convert to fraction form
    79,605.40/119,382.66 = 26,287.44/x
  3. Step 3: Cross multiply
    79,605.40x = 119,382.66 × 26,287.44
  4. Step 4: Simplify right side
    79,605.40x = 3,138,264,511.79
  5. Step 5: Solve for x
    x = 3,138,264,511.79/79,605.40
  6. Step 6: Final answer
    x = 39,422.76

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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.