Home / 99,617.04-137,469.78-54,295.44

Finding the Fourth Proportional to 99,617.04, 137,469.78 and 54,295.44

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Solution

The fourth proportional to 99,617.04, 137,469.78 and 54,295.44 is: 74,926.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,617.04 : 137,469.78 = 54,295.44 : x
  2. Step 2: Convert to fraction form
    99,617.04/137,469.78 = 54,295.44/x
  3. Step 3: Cross multiply
    99,617.04x = 137,469.78 × 54,295.44
  4. Step 4: Simplify right side
    99,617.04x = 7,463,982,191.80
  5. Step 5: Solve for x
    x = 7,463,982,191.80/99,617.04
  6. Step 6: Final answer
    x = 74,926.76

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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.