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Finding the Fourth Proportional to 79,868.92, 110,218.80 and 44,061.16

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Solution

The fourth proportional to 79,868.92, 110,218.80 and 44,061.16 is: 60,804.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,868.92 : 110,218.80 = 44,061.16 : x
  2. Step 2: Convert to fraction form
    79,868.92/110,218.80 = 44,061.16/x
  3. Step 3: Cross multiply
    79,868.92x = 110,218.80 × 44,061.16
  4. Step 4: Simplify right side
    79,868.92x = 4,856,368,181.81
  5. Step 5: Solve for x
    x = 4,856,368,181.81/79,868.92
  6. Step 6: Final answer
    x = 60,804.23

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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.