Home / 81,592.49-122,394.66-34,159.88

Finding the Fourth Proportional to 81,592.49, 122,394.66 and 34,159.88

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Solution

The fourth proportional to 81,592.49, 122,394.66 and 34,159.88 is: 51,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,592.49 : 122,394.66 = 34,159.88 : x
  2. Step 2: Convert to fraction form
    81,592.49/122,394.66 = 34,159.88/x
  3. Step 3: Cross multiply
    81,592.49x = 122,394.66 × 34,159.88
  4. Step 4: Simplify right side
    81,592.49x = 4,180,986,286.27
  5. Step 5: Solve for x
    x = 4,180,986,286.27/81,592.49
  6. Step 6: Final answer
    x = 51,242.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.