Home / 89,550.46-123,578.31-49,261.82

Finding the Fourth Proportional to 89,550.46, 123,578.31 and 49,261.82

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Solution

The fourth proportional to 89,550.46, 123,578.31 and 49,261.82 is: 67,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,550.46 : 123,578.31 = 49,261.82 : x
  2. Step 2: Convert to fraction form
    89,550.46/123,578.31 = 49,261.82/x
  3. Step 3: Cross multiply
    89,550.46x = 123,578.31 × 49,261.82
  4. Step 4: Simplify right side
    89,550.46x = 6,087,692,447.99
  5. Step 5: Solve for x
    x = 6,087,692,447.99/89,550.46
  6. Step 6: Final answer
    x = 67,980.58

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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.