Home / 74,237.10-111,380.10-49,374.96

Finding the Fourth Proportional to 74,237.10, 111,380.10 and 49,374.96

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Solution

The fourth proportional to 74,237.10, 111,380.10 and 49,374.96 is: 74,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,237.10 : 111,380.10 = 49,374.96 : x
  2. Step 2: Convert to fraction form
    74,237.10/111,380.10 = 49,374.96/x
  3. Step 3: Cross multiply
    74,237.10x = 111,380.10 × 49,374.96
  4. Step 4: Simplify right side
    74,237.10x = 5,499,387,982.30
  5. Step 5: Solve for x
    x = 5,499,387,982.30/74,237.10
  6. Step 6: Final answer
    x = 74,078.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.