Home / 78,083.06-107,757.69-44,098.70

Finding the Fourth Proportional to 78,083.06, 107,757.69 and 44,098.70

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Solution

The fourth proportional to 78,083.06, 107,757.69 and 44,098.70 is: 60,857.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,083.06 : 107,757.69 = 44,098.70 : x
  2. Step 2: Convert to fraction form
    78,083.06/107,757.69 = 44,098.70/x
  3. Step 3: Cross multiply
    78,083.06x = 107,757.69 × 44,098.70
  4. Step 4: Simplify right side
    78,083.06x = 4,751,974,044.00
  5. Step 5: Solve for x
    x = 4,751,974,044.00/78,083.06
  6. Step 6: Final answer
    x = 60,857.94

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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.