Home / 79,257.64-109,374.96-43,449.16

Finding the Fourth Proportional to 79,257.64, 109,374.96 and 43,449.16

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Solution

The fourth proportional to 79,257.64, 109,374.96 and 43,449.16 is: 59,959.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,257.64 : 109,374.96 = 43,449.16 : x
  2. Step 2: Convert to fraction form
    79,257.64/109,374.96 = 43,449.16/x
  3. Step 3: Cross multiply
    79,257.64x = 109,374.96 × 43,449.16
  4. Step 4: Simplify right side
    79,257.64x = 4,752,250,137.03
  5. Step 5: Solve for x
    x = 4,752,250,137.03/79,257.64
  6. Step 6: Final answer
    x = 59,959.52

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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.