Home / 88,949.36-122,781.32-54,983.88

Finding the Fourth Proportional to 88,949.36, 122,781.32 and 54,983.88

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Solution

The fourth proportional to 88,949.36, 122,781.32 and 54,983.88 is: 75,897.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,949.36 : 122,781.32 = 54,983.88 : x
  2. Step 2: Convert to fraction form
    88,949.36/122,781.32 = 54,983.88/x
  3. Step 3: Cross multiply
    88,949.36x = 122,781.32 × 54,983.88
  4. Step 4: Simplify right side
    88,949.36x = 6,750,993,365.12
  5. Step 5: Solve for x
    x = 6,750,993,365.12/88,949.36
  6. Step 6: Final answer
    x = 75,897.04

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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.