Home / 99,974.44-137,962.12-54,652.52

Finding the Fourth Proportional to 99,974.44, 137,962.12 and 54,652.52

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Solution

The fourth proportional to 99,974.44, 137,962.12 and 54,652.52 is: 75,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,974.44 : 137,962.12 = 54,652.52 : x
  2. Step 2: Convert to fraction form
    99,974.44/137,962.12 = 54,652.52/x
  3. Step 3: Cross multiply
    99,974.44x = 137,962.12 × 54,652.52
  4. Step 4: Simplify right side
    99,974.44x = 7,539,977,522.54
  5. Step 5: Solve for x
    x = 7,539,977,522.54/99,974.44
  6. Step 6: Final answer
    x = 75,419.05

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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.