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Finding the Fourth Proportional to 80,283.88, 110,686.68 and 69,073.80

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Solution

The fourth proportional to 80,283.88, 110,686.68 and 69,073.80 is: 95,231.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,283.88 : 110,686.68 = 69,073.80 : x
  2. Step 2: Convert to fraction form
    80,283.88/110,686.68 = 69,073.80/x
  3. Step 3: Cross multiply
    80,283.88x = 110,686.68 × 69,073.80
  4. Step 4: Simplify right side
    80,283.88x = 7,645,549,596.98
  5. Step 5: Solve for x
    x = 7,645,549,596.98/80,283.88
  6. Step 6: Final answer
    x = 95,231.44

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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.