Home / 78,932.97-108,936.81-44,949.60

Finding the Fourth Proportional to 78,932.97, 108,936.81 and 44,949.60

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Solution

The fourth proportional to 78,932.97, 108,936.81 and 44,949.60 is: 62,035.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,932.97 : 108,936.81 = 44,949.60 : x
  2. Step 2: Convert to fraction form
    78,932.97/108,936.81 = 44,949.60/x
  3. Step 3: Cross multiply
    78,932.97x = 108,936.81 × 44,949.60
  4. Step 4: Simplify right side
    78,932.97x = 4,896,666,034.78
  5. Step 5: Solve for x
    x = 4,896,666,034.78/78,932.97
  6. Step 6: Final answer
    x = 62,035.75

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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.