Home / 51,842.60-71,542.02-29,179.88

Finding the Fourth Proportional to 51,842.60, 71,542.02 and 29,179.88

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Solution

The fourth proportional to 51,842.60, 71,542.02 and 29,179.88 is: 40,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,842.60 : 71,542.02 = 29,179.88 : x
  2. Step 2: Convert to fraction form
    51,842.60/71,542.02 = 29,179.88/x
  3. Step 3: Cross multiply
    51,842.60x = 71,542.02 × 29,179.88
  4. Step 4: Simplify right side
    51,842.60x = 2,087,587,558.56
  5. Step 5: Solve for x
    x = 2,087,587,558.56/51,842.60
  6. Step 6: Final answer
    x = 40,267.80

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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.