Home / 89,747.24-123,850.65-48,911.31

Finding the Fourth Proportional to 89,747.24, 123,850.65 and 48,911.31

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Solution

The fourth proportional to 89,747.24, 123,850.65 and 48,911.31 is: 67,497.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,747.24 : 123,850.65 = 48,911.31 : x
  2. Step 2: Convert to fraction form
    89,747.24/123,850.65 = 48,911.31/x
  3. Step 3: Cross multiply
    89,747.24x = 123,850.65 × 48,911.31
  4. Step 4: Simplify right side
    89,747.24x = 6,057,697,535.85
  5. Step 5: Solve for x
    x = 6,057,697,535.85/89,747.24
  6. Step 6: Final answer
    x = 67,497.32

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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.