Home / 79,849.88-110,078.32-62,824.76

Finding the Fourth Proportional to 79,849.88, 110,078.32 and 62,824.76

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Solution

The fourth proportional to 79,849.88, 110,078.32 and 62,824.76 is: 86,608.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,849.88 : 110,078.32 = 62,824.76 : x
  2. Step 2: Convert to fraction form
    79,849.88/110,078.32 = 62,824.76/x
  3. Step 3: Cross multiply
    79,849.88x = 110,078.32 × 62,824.76
  4. Step 4: Simplify right side
    79,849.88x = 6,915,644,035.20
  5. Step 5: Solve for x
    x = 6,915,644,035.20/79,849.88
  6. Step 6: Final answer
    x = 86,608.07

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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.