Home / 99,735.53-137,632.04-54,414.41

Finding the Fourth Proportional to 99,735.53, 137,632.04 and 54,414.41

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Solution

The fourth proportional to 99,735.53, 137,632.04 and 54,414.41 is: 75,090.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,735.53 : 137,632.04 = 54,414.41 : x
  2. Step 2: Convert to fraction form
    99,735.53/137,632.04 = 54,414.41/x
  3. Step 3: Cross multiply
    99,735.53x = 137,632.04 × 54,414.41
  4. Step 4: Simplify right side
    99,735.53x = 7,489,166,253.70
  5. Step 5: Solve for x
    x = 7,489,166,253.70/99,735.53
  6. Step 6: Final answer
    x = 75,090.25

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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.