Home / 98,380.01-135,764.43-55,941.14

Finding the Fourth Proportional to 98,380.01, 135,764.43 and 55,941.14

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Solution

The fourth proportional to 98,380.01, 135,764.43 and 55,941.14 is: 77,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,380.01 : 135,764.43 = 55,941.14 : x
  2. Step 2: Convert to fraction form
    98,380.01/135,764.43 = 55,941.14/x
  3. Step 3: Cross multiply
    98,380.01x = 135,764.43 × 55,941.14
  4. Step 4: Simplify right side
    98,380.01x = 7,594,816,985.65
  5. Step 5: Solve for x
    x = 7,594,816,985.65/98,380.01
  6. Step 6: Final answer
    x = 77,198.78

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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.