Home / 98,919.97-136,516.25-55,884.53

Finding the Fourth Proportional to 98,919.97, 136,516.25 and 55,884.53

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Solution

The fourth proportional to 98,919.97, 136,516.25 and 55,884.53 is: 77,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,919.97 : 136,516.25 = 55,884.53 : x
  2. Step 2: Convert to fraction form
    98,919.97/136,516.25 = 55,884.53/x
  3. Step 3: Cross multiply
    98,919.97x = 136,516.25 × 55,884.53
  4. Step 4: Simplify right side
    98,919.97x = 7,629,146,949.61
  5. Step 5: Solve for x
    x = 7,629,146,949.61/98,919.97
  6. Step 6: Final answer
    x = 77,124.44

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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.