Home / 79,116.16-109,180.44-43,308.44

Finding the Fourth Proportional to 79,116.16, 109,180.44 and 43,308.44

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Solution

The fourth proportional to 79,116.16, 109,180.44 and 43,308.44 is: 59,765.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,116.16 : 109,180.44 = 43,308.44 : x
  2. Step 2: Convert to fraction form
    79,116.16/109,180.44 = 43,308.44/x
  3. Step 3: Cross multiply
    79,116.16x = 109,180.44 × 43,308.44
  4. Step 4: Simplify right side
    79,116.16x = 4,728,434,534.91
  5. Step 5: Solve for x
    x = 4,728,434,534.91/79,116.16
  6. Step 6: Final answer
    x = 59,765.72

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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.