Home / 84,827.56-127,251.96-27,900.40

Finding the Fourth Proportional to 84,827.56, 127,251.96 and 27,900.40

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Solution

The fourth proportional to 84,827.56, 127,251.96 and 27,900.40 is: 41,854.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,827.56 : 127,251.96 = 27,900.40 : x
  2. Step 2: Convert to fraction form
    84,827.56/127,251.96 = 27,900.40/x
  3. Step 3: Cross multiply
    84,827.56x = 127,251.96 × 27,900.40
  4. Step 4: Simplify right side
    84,827.56x = 3,550,380,584.78
  5. Step 5: Solve for x
    x = 3,550,380,584.78/84,827.56
  6. Step 6: Final answer
    x = 41,854.09

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1.5x scale

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.