Home / 48,815.10-73,222.65-29,115.90

Finding the Fourth Proportional to 48,815.10, 73,222.65 and 29,115.90

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Solution

The fourth proportional to 48,815.10, 73,222.65 and 29,115.90 is: 43,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,815.10 : 73,222.65 = 29,115.90 : x
  2. Step 2: Convert to fraction form
    48,815.10/73,222.65 = 29,115.90/x
  3. Step 3: Cross multiply
    48,815.10x = 73,222.65 × 29,115.90
  4. Step 4: Simplify right side
    48,815.10x = 2,131,943,355.14
  5. Step 5: Solve for x
    x = 2,131,943,355.14/48,815.10
  6. Step 6: Final answer
    x = 43,673.85

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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.