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Finding the Fourth Proportional to 79,882.39, 110,235.85 and 44,072.40

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Solution

The fourth proportional to 79,882.39, 110,235.85 and 44,072.40 is: 60,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,882.39 : 110,235.85 = 44,072.40 : x
  2. Step 2: Convert to fraction form
    79,882.39/110,235.85 = 44,072.40/x
  3. Step 3: Cross multiply
    79,882.39x = 110,235.85 × 44,072.40
  4. Step 4: Simplify right side
    79,882.39x = 4,858,358,475.54
  5. Step 5: Solve for x
    x = 4,858,358,475.54/79,882.39
  6. Step 6: Final answer
    x = 60,818.89

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1.5x scale

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.