Home / 89,821.99-123,952.71-49,539.48

Finding the Fourth Proportional to 89,821.99, 123,952.71 and 49,539.48

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Solution

The fourth proportional to 89,821.99, 123,952.71 and 49,539.48 is: 68,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,821.99 : 123,952.71 = 49,539.48 : x
  2. Step 2: Convert to fraction form
    89,821.99/123,952.71 = 49,539.48/x
  3. Step 3: Cross multiply
    89,821.99x = 123,952.71 × 49,539.48
  4. Step 4: Simplify right side
    89,821.99x = 6,140,552,797.99
  5. Step 5: Solve for x
    x = 6,140,552,797.99/89,821.99
  6. Step 6: Final answer
    x = 68,363.58

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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.