Home / 79,182.12-109,240.92-45,192.48

Finding the Fourth Proportional to 79,182.12, 109,240.92 and 45,192.48

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Solution

The fourth proportional to 79,182.12, 109,240.92 and 45,192.48 is: 62,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,182.12 : 109,240.92 = 45,192.48 : x
  2. Step 2: Convert to fraction form
    79,182.12/109,240.92 = 45,192.48/x
  3. Step 3: Cross multiply
    79,182.12x = 109,240.92 × 45,192.48
  4. Step 4: Simplify right side
    79,182.12x = 4,936,868,092.28
  5. Step 5: Solve for x
    x = 4,936,868,092.28/79,182.12
  6. Step 6: Final answer
    x = 62,348.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.