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Finding the Fourth Proportional to 80,145.48, 110,604.80 and 48,324.64

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Solution

The fourth proportional to 80,145.48, 110,604.80 and 48,324.64 is: 66,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,145.48 : 110,604.80 = 48,324.64 : x
  2. Step 2: Convert to fraction form
    80,145.48/110,604.80 = 48,324.64/x
  3. Step 3: Cross multiply
    80,145.48x = 110,604.80 × 48,324.64
  4. Step 4: Simplify right side
    80,145.48x = 5,344,937,142.27
  5. Step 5: Solve for x
    x = 5,344,937,142.27/80,145.48
  6. Step 6: Final answer
    x = 66,690.44

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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.