Home / 85,560.30-118,067.22-49,747.77

Finding the Fourth Proportional to 85,560.30, 118,067.22 and 49,747.77

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Solution

The fourth proportional to 85,560.30, 118,067.22 and 49,747.77 is: 68,648.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,560.30 : 118,067.22 = 49,747.77 : x
  2. Step 2: Convert to fraction form
    85,560.30/118,067.22 = 49,747.77/x
  3. Step 3: Cross multiply
    85,560.30x = 118,067.22 × 49,747.77
  4. Step 4: Simplify right side
    85,560.30x = 5,873,580,905.10
  5. Step 5: Solve for x
    x = 5,873,580,905.10/85,560.30
  6. Step 6: Final answer
    x = 68,648.44

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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.