Home / 79,626.19-119,443.47-20,462.26

Finding the Fourth Proportional to 79,626.19, 119,443.47 and 20,462.26

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Solution

The fourth proportional to 79,626.19, 119,443.47 and 20,462.26 is: 30,694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,626.19 : 119,443.47 = 20,462.26 : x
  2. Step 2: Convert to fraction form
    79,626.19/119,443.47 = 20,462.26/x
  3. Step 3: Cross multiply
    79,626.19x = 119,443.47 × 20,462.26
  4. Step 4: Simplify right side
    79,626.19x = 2,444,083,338.44
  5. Step 5: Solve for x
    x = 2,444,083,338.44/79,626.19
  6. Step 6: Final answer
    x = 30,694.47

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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.