Home / 87,110.89-120,249.81-58,854.85

Finding the Fourth Proportional to 87,110.89, 120,249.81 and 58,854.85

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Solution

The fourth proportional to 87,110.89, 120,249.81 and 58,854.85 is: 81,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,110.89 : 120,249.81 = 58,854.85 : x
  2. Step 2: Convert to fraction form
    87,110.89/120,249.81 = 58,854.85/x
  3. Step 3: Cross multiply
    87,110.89x = 120,249.81 × 58,854.85
  4. Step 4: Simplify right side
    87,110.89x = 7,077,284,530.08
  5. Step 5: Solve for x
    x = 7,077,284,530.08/87,110.89
  6. Step 6: Final answer
    x = 81,244.54

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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.