Home / 98,821.44-136,375.20-54,106.56

Finding the Fourth Proportional to 98,821.44, 136,375.20 and 54,106.56

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Solution

The fourth proportional to 98,821.44, 136,375.20 and 54,106.56 is: 74,667.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,821.44 : 136,375.20 = 54,106.56 : x
  2. Step 2: Convert to fraction form
    98,821.44/136,375.20 = 54,106.56/x
  3. Step 3: Cross multiply
    98,821.44x = 136,375.20 × 54,106.56
  4. Step 4: Simplify right side
    98,821.44x = 7,378,792,941.31
  5. Step 5: Solve for x
    x = 7,378,792,941.31/98,821.44
  6. Step 6: Final answer
    x = 74,667.94

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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.