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Finding the Fourth Proportional to 80,329.84, 110,858.92 and 44,519.86

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Solution

The fourth proportional to 80,329.84, 110,858.92 and 44,519.86 is: 61,439.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,329.84 : 110,858.92 = 44,519.86 : x
  2. Step 2: Convert to fraction form
    80,329.84/110,858.92 = 44,519.86/x
  3. Step 3: Cross multiply
    80,329.84x = 110,858.92 × 44,519.86
  4. Step 4: Simplify right side
    80,329.84x = 4,935,423,598.15
  5. Step 5: Solve for x
    x = 4,935,423,598.15/80,329.84
  6. Step 6: Final answer
    x = 61,439.48

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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.