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Finding the Fourth Proportional to 85,560.80, 118,067.91 and 49,748.27

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Solution

The fourth proportional to 85,560.80, 118,067.91 and 49,748.27 is: 68,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,560.80 : 118,067.91 = 49,748.27 : x
  2. Step 2: Convert to fraction form
    85,560.80/118,067.91 = 49,748.27/x
  3. Step 3: Cross multiply
    85,560.80x = 118,067.91 × 49,748.27
  4. Step 4: Simplify right side
    85,560.80x = 5,873,674,265.02
  5. Step 5: Solve for x
    x = 5,873,674,265.02/85,560.80
  6. Step 6: Final answer
    x = 68,649.13

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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.