Home / 84,964.96-127,439.19-25,801.14

Finding the Fourth Proportional to 84,964.96, 127,439.19 and 25,801.14

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Solution

The fourth proportional to 84,964.96, 127,439.19 and 25,801.14 is: 38,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,964.96 : 127,439.19 = 25,801.14 : x
  2. Step 2: Convert to fraction form
    84,964.96/127,439.19 = 25,801.14/x
  3. Step 3: Cross multiply
    84,964.96x = 127,439.19 × 25,801.14
  4. Step 4: Simplify right side
    84,964.96x = 3,288,076,382.68
  5. Step 5: Solve for x
    x = 3,288,076,382.68/84,964.96
  6. Step 6: Final answer
    x = 38,699.20

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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.