Home / 79,422.31-109,604.57-43,612.48

Finding the Fourth Proportional to 79,422.31, 109,604.57 and 43,612.48

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Solution

The fourth proportional to 79,422.31, 109,604.57 and 43,612.48 is: 60,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,422.31 : 109,604.57 = 43,612.48 : x
  2. Step 2: Convert to fraction form
    79,422.31/109,604.57 = 43,612.48/x
  3. Step 3: Cross multiply
    79,422.31x = 109,604.57 × 43,612.48
  4. Step 4: Simplify right side
    79,422.31x = 4,780,127,117.03
  5. Step 5: Solve for x
    x = 4,780,127,117.03/79,422.31
  6. Step 6: Final answer
    x = 60,186.20

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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.