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Finding the Fourth Proportional to 79,960.68, 110,350.06 and 44,150.58

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Solution

The fourth proportional to 79,960.68, 110,350.06 and 44,150.58 is: 60,930.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,960.68 : 110,350.06 = 44,150.58 : x
  2. Step 2: Convert to fraction form
    79,960.68/110,350.06 = 44,150.58/x
  3. Step 3: Cross multiply
    79,960.68x = 110,350.06 × 44,150.58
  4. Step 4: Simplify right side
    79,960.68x = 4,872,019,152.03
  5. Step 5: Solve for x
    x = 4,872,019,152.03/79,960.68
  6. Step 6: Final answer
    x = 60,930.19

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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.