Home / 79,079.38-118,542.87-29,132.19

Finding the Fourth Proportional to 79,079.38, 118,542.87 and 29,132.19

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Solution

The fourth proportional to 79,079.38, 118,542.87 and 29,132.19 is: 43,670.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,079.38 : 118,542.87 = 29,132.19 : x
  2. Step 2: Convert to fraction form
    79,079.38/118,542.87 = 29,132.19/x
  3. Step 3: Cross multiply
    79,079.38x = 118,542.87 × 29,132.19
  4. Step 4: Simplify right side
    79,079.38x = 3,453,413,411.99
  5. Step 5: Solve for x
    x = 3,453,413,411.99/79,079.38
  6. Step 6: Final answer
    x = 43,670.21

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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.