Home / 98,722.94-136,198.89-58,422.02

Finding the Fourth Proportional to 98,722.94, 136,198.89 and 58,422.02

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Solution

The fourth proportional to 98,722.94, 136,198.89 and 58,422.02 is: 80,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,722.94 : 136,198.89 = 58,422.02 : x
  2. Step 2: Convert to fraction form
    98,722.94/136,198.89 = 58,422.02/x
  3. Step 3: Cross multiply
    98,722.94x = 136,198.89 × 58,422.02
  4. Step 4: Simplify right side
    98,722.94x = 7,957,013,594.56
  5. Step 5: Solve for x
    x = 7,957,013,594.56/98,722.94
  6. Step 6: Final answer
    x = 80,599.44

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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.