Home / 80,854.56-111,625.60-54,042.48

Finding the Fourth Proportional to 80,854.56, 111,625.60 and 54,042.48

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Solution

The fourth proportional to 80,854.56, 111,625.60 and 54,042.48 is: 74,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,854.56 : 111,625.60 = 54,042.48 : x
  2. Step 2: Convert to fraction form
    80,854.56/111,625.60 = 54,042.48/x
  3. Step 3: Cross multiply
    80,854.56x = 111,625.60 × 54,042.48
  4. Step 4: Simplify right side
    80,854.56x = 6,032,524,255.49
  5. Step 5: Solve for x
    x = 6,032,524,255.49/80,854.56
  6. Step 6: Final answer
    x = 74,609.57

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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.