Home / 111,782.13-154,257.82-60,793.76

Finding the Fourth Proportional to 111,782.13, 154,257.82 and 60,793.76

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Solution

The fourth proportional to 111,782.13, 154,257.82 and 60,793.76 is: 83,894.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,782.13 : 154,257.82 = 60,793.76 : x
  2. Step 2: Convert to fraction form
    111,782.13/154,257.82 = 60,793.76/x
  3. Step 3: Cross multiply
    111,782.13x = 154,257.82 × 60,793.76
  4. Step 4: Simplify right side
    111,782.13x = 9,377,912,253.16
  5. Step 5: Solve for x
    x = 9,377,912,253.16/111,782.13
  6. Step 6: Final answer
    x = 83,894.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.