Home / 88,316.80-121,834.32-52,481.44

Finding the Fourth Proportional to 88,316.80, 121,834.32 and 52,481.44

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Solution

The fourth proportional to 88,316.80, 121,834.32 and 52,481.44 is: 72,398.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,316.80 : 121,834.32 = 52,481.44 : x
  2. Step 2: Convert to fraction form
    88,316.80/121,834.32 = 52,481.44/x
  3. Step 3: Cross multiply
    88,316.80x = 121,834.32 × 52,481.44
  4. Step 4: Simplify right side
    88,316.80x = 6,394,040,555.02
  5. Step 5: Solve for x
    x = 6,394,040,555.02/88,316.80
  6. Step 6: Final answer
    x = 72,398.92

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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.