Home / 88,193.52-121,726.31-54,231.23

Finding the Fourth Proportional to 88,193.52, 121,726.31 and 54,231.23

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Solution

The fourth proportional to 88,193.52, 121,726.31 and 54,231.23 is: 74,850.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,193.52 : 121,726.31 = 54,231.23 : x
  2. Step 2: Convert to fraction form
    88,193.52/121,726.31 = 54,231.23/x
  3. Step 3: Cross multiply
    88,193.52x = 121,726.31 × 54,231.23
  4. Step 4: Simplify right side
    88,193.52x = 6,601,367,514.66
  5. Step 5: Solve for x
    x = 6,601,367,514.66/88,193.52
  6. Step 6: Final answer
    x = 74,850.94

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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.