Home / 111,781.23-154,258.74-60,794.57

Finding the Fourth Proportional to 111,781.23, 154,258.74 and 60,794.57

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Solution

The fourth proportional to 111,781.23, 154,258.74 and 60,794.57 is: 83,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,781.23 : 154,258.74 = 60,794.57 : x
  2. Step 2: Convert to fraction form
    111,781.23/154,258.74 = 60,794.57/x
  3. Step 3: Cross multiply
    111,781.23x = 154,258.74 × 60,794.57
  4. Step 4: Simplify right side
    111,781.23x = 9,378,092,995.75
  5. Step 5: Solve for x
    x = 9,378,092,995.75/111,781.23
  6. Step 6: Final answer
    x = 83,896.85

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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.