Home / 71,892.12-107,852.76-25,177.80

Finding the Fourth Proportional to 71,892.12, 107,852.76 and 25,177.80

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Solution

The fourth proportional to 71,892.12, 107,852.76 and 25,177.80 is: 37,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,892.12 : 107,852.76 = 25,177.80 : x
  2. Step 2: Convert to fraction form
    71,892.12/107,852.76 = 25,177.80/x
  3. Step 3: Cross multiply
    71,892.12x = 107,852.76 × 25,177.80
  4. Step 4: Simplify right side
    71,892.12x = 2,715,495,220.73
  5. Step 5: Solve for x
    x = 2,715,495,220.73/71,892.12
  6. Step 6: Final answer
    x = 37,771.81

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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.