Home / 99,816.41-137,744.49-54,492.18

Finding the Fourth Proportional to 99,816.41, 137,744.49 and 54,492.18

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Solution

The fourth proportional to 99,816.41, 137,744.49 and 54,492.18 is: 75,198.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,816.41 : 137,744.49 = 54,492.18 : x
  2. Step 2: Convert to fraction form
    99,816.41/137,744.49 = 54,492.18/x
  3. Step 3: Cross multiply
    99,816.41x = 137,744.49 × 54,492.18
  4. Step 4: Simplify right side
    99,816.41x = 7,505,997,747.43
  5. Step 5: Solve for x
    x = 7,505,997,747.43/99,816.41
  6. Step 6: Final answer
    x = 75,198.04

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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.