Home / 88,991.22-122,805.40-52,694.49

Finding the Fourth Proportional to 88,991.22, 122,805.40 and 52,694.49

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Solution

The fourth proportional to 88,991.22, 122,805.40 and 52,694.49 is: 72,716.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,991.22 : 122,805.40 = 52,694.49 : x
  2. Step 2: Convert to fraction form
    88,991.22/122,805.40 = 52,694.49/x
  3. Step 3: Cross multiply
    88,991.22x = 122,805.40 × 52,694.49
  4. Step 4: Simplify right side
    88,991.22x = 6,471,167,922.25
  5. Step 5: Solve for x
    x = 6,471,167,922.25/88,991.22
  6. Step 6: Final answer
    x = 72,716.93

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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.