Home / 99,324.72-137,067.64-58,512.57

Finding the Fourth Proportional to 99,324.72, 137,067.64 and 58,512.57

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Solution

The fourth proportional to 99,324.72, 137,067.64 and 58,512.57 is: 80,747.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,324.72 : 137,067.64 = 58,512.57 : x
  2. Step 2: Convert to fraction form
    99,324.72/137,067.64 = 58,512.57/x
  3. Step 3: Cross multiply
    99,324.72x = 137,067.64 × 58,512.57
  4. Step 4: Simplify right side
    99,324.72x = 8,020,179,880.23
  5. Step 5: Solve for x
    x = 8,020,179,880.23/99,324.72
  6. Step 6: Final answer
    x = 80,747.07

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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.