Home / 51,926.48-71,635.56-40,780.88

Finding the Fourth Proportional to 51,926.48, 71,635.56 and 40,780.88

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Solution

The fourth proportional to 51,926.48, 71,635.56 and 40,780.88 is: 56,259.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,926.48 : 71,635.56 = 40,780.88 : x
  2. Step 2: Convert to fraction form
    51,926.48/71,635.56 = 40,780.88/x
  3. Step 3: Cross multiply
    51,926.48x = 71,635.56 × 40,780.88
  4. Step 4: Simplify right side
    51,926.48x = 2,921,361,176.09
  5. Step 5: Solve for x
    x = 2,921,361,176.09/51,926.48
  6. Step 6: Final answer
    x = 56,259.56

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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.