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Finding the Fourth Proportional to 79,875.90, 110,227.14 and 44,066.79

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Solution

The fourth proportional to 79,875.90, 110,227.14 and 44,066.79 is: 60,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,875.90 : 110,227.14 = 44,066.79 : x
  2. Step 2: Convert to fraction form
    79,875.90/110,227.14 = 44,066.79/x
  3. Step 3: Cross multiply
    79,875.90x = 110,227.14 × 44,066.79
  4. Step 4: Simplify right side
    79,875.90x = 4,857,356,230.68
  5. Step 5: Solve for x
    x = 4,857,356,230.68/79,875.90
  6. Step 6: Final answer
    x = 60,811.29

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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.