Home / 79,195.90-109,290.47-43,385.13

Finding the Fourth Proportional to 79,195.90, 109,290.47 and 43,385.13

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Solution

The fourth proportional to 79,195.90, 109,290.47 and 43,385.13 is: 59,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,195.90 : 109,290.47 = 43,385.13 : x
  2. Step 2: Convert to fraction form
    79,195.90/109,290.47 = 43,385.13/x
  3. Step 3: Cross multiply
    79,195.90x = 109,290.47 × 43,385.13
  4. Step 4: Simplify right side
    79,195.90x = 4,741,581,248.71
  5. Step 5: Solve for x
    x = 4,741,581,248.71/79,195.90
  6. Step 6: Final answer
    x = 59,871.55

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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.