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Finding the Fourth Proportional to 80,454.73, 110,633.87 and 69,825.91

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Solution

The fourth proportional to 80,454.73, 110,633.87 and 69,825.91 is: 96,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,454.73 : 110,633.87 = 69,825.91 : x
  2. Step 2: Convert to fraction form
    80,454.73/110,633.87 = 69,825.91/x
  3. Step 3: Cross multiply
    80,454.73x = 110,633.87 × 69,825.91
  4. Step 4: Simplify right side
    80,454.73x = 7,725,110,649.57
  5. Step 5: Solve for x
    x = 7,725,110,649.57/80,454.73
  6. Step 6: Final answer
    x = 96,018.10

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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.