Home / 84,744.55-127,124.21-27,801.38

Finding the Fourth Proportional to 84,744.55, 127,124.21 and 27,801.38

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Solution

The fourth proportional to 84,744.55, 127,124.21 and 27,801.38 is: 41,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,744.55 : 127,124.21 = 27,801.38 : x
  2. Step 2: Convert to fraction form
    84,744.55/127,124.21 = 27,801.38/x
  3. Step 3: Cross multiply
    84,744.55x = 127,124.21 × 27,801.38
  4. Step 4: Simplify right side
    84,744.55x = 3,534,228,469.41
  5. Step 5: Solve for x
    x = 3,534,228,469.41/84,744.55
  6. Step 6: Final answer
    x = 41,704.49

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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.