Home / 84,922.60-127,367.70-25,760.20

Finding the Fourth Proportional to 84,922.60, 127,367.70 and 25,760.20

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Solution

The fourth proportional to 84,922.60, 127,367.70 and 25,760.20 is: 38,635.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,922.60 : 127,367.70 = 25,760.20 : x
  2. Step 2: Convert to fraction form
    84,922.60/127,367.70 = 25,760.20/x
  3. Step 3: Cross multiply
    84,922.60x = 127,367.70 × 25,760.20
  4. Step 4: Simplify right side
    84,922.60x = 3,281,017,425.54
  5. Step 5: Solve for x
    x = 3,281,017,425.54/84,922.60
  6. Step 6: Final answer
    x = 38,635.39

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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.