Home / 78,502.06-108,258.42-60,568.66

Finding the Fourth Proportional to 78,502.06, 108,258.42 and 60,568.66

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Solution

The fourth proportional to 78,502.06, 108,258.42 and 60,568.66 is: 83,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,502.06 : 108,258.42 = 60,568.66 : x
  2. Step 2: Convert to fraction form
    78,502.06/108,258.42 = 60,568.66/x
  3. Step 3: Cross multiply
    78,502.06x = 108,258.42 × 60,568.66
  4. Step 4: Simplify right side
    78,502.06x = 6,557,067,433.12
  5. Step 5: Solve for x
    x = 6,557,067,433.12/78,502.06
  6. Step 6: Final answer
    x = 83,527.33

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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.