Home / 84,773.20-127,160.80-25,609.36

Finding the Fourth Proportional to 84,773.20, 127,160.80 and 25,609.36

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Solution

The fourth proportional to 84,773.20, 127,160.80 and 25,609.36 is: 38,414.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,773.20 : 127,160.80 = 25,609.36 : x
  2. Step 2: Convert to fraction form
    84,773.20/127,160.80 = 25,609.36/x
  3. Step 3: Cross multiply
    84,773.20x = 127,160.80 × 25,609.36
  4. Step 4: Simplify right side
    84,773.20x = 3,256,506,705.09
  5. Step 5: Solve for x
    x = 3,256,506,705.09/84,773.20
  6. Step 6: Final answer
    x = 38,414.34

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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.