Home / 78,923.68-108,922.18-43,119.07

Finding the Fourth Proportional to 78,923.68, 108,922.18 and 43,119.07

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Solution

The fourth proportional to 78,923.68, 108,922.18 and 43,119.07 is: 59,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,923.68 : 108,922.18 = 43,119.07 : x
  2. Step 2: Convert to fraction form
    78,923.68/108,922.18 = 43,119.07/x
  3. Step 3: Cross multiply
    78,923.68x = 108,922.18 × 43,119.07
  4. Step 4: Simplify right side
    78,923.68x = 4,696,623,103.97
  5. Step 5: Solve for x
    x = 4,696,623,103.97/78,923.68
  6. Step 6: Final answer
    x = 59,508.42

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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.