Home / 79,184.82-109,275.10-43,375.42

Finding the Fourth Proportional to 79,184.82, 109,275.10 and 43,375.42

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Solution

The fourth proportional to 79,184.82, 109,275.10 and 43,375.42 is: 59,858.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,184.82 : 109,275.10 = 43,375.42 : x
  2. Step 2: Convert to fraction form
    79,184.82/109,275.10 = 43,375.42/x
  3. Step 3: Cross multiply
    79,184.82x = 109,275.10 × 43,375.42
  4. Step 4: Simplify right side
    79,184.82x = 4,739,853,358.04
  5. Step 5: Solve for x
    x = 4,739,853,358.04/79,184.82
  6. Step 6: Final answer
    x = 59,858.11

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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.