Home / 84,728.75-127,093.34-34,773.80

Finding the Fourth Proportional to 84,728.75, 127,093.34 and 34,773.80

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Solution

The fourth proportional to 84,728.75, 127,093.34 and 34,773.80 is: 52,160.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,728.75 : 127,093.34 = 34,773.80 : x
  2. Step 2: Convert to fraction form
    84,728.75/127,093.34 = 34,773.80/x
  3. Step 3: Cross multiply
    84,728.75x = 127,093.34 × 34,773.80
  4. Step 4: Simplify right side
    84,728.75x = 4,419,518,791.16
  5. Step 5: Solve for x
    x = 4,419,518,791.16/84,728.75
  6. Step 6: Final answer
    x = 52,160.79

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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.