Home / 89,850.36-123,991.96-49,567.98

Finding the Fourth Proportional to 89,850.36, 123,991.96 and 49,567.98

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Solution

The fourth proportional to 89,850.36, 123,991.96 and 49,567.98 is: 68,402.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,850.36 : 123,991.96 = 49,567.98 : x
  2. Step 2: Convert to fraction form
    89,850.36/123,991.96 = 49,567.98/x
  3. Step 3: Cross multiply
    89,850.36x = 123,991.96 × 49,567.98
  4. Step 4: Simplify right side
    89,850.36x = 6,146,030,993.44
  5. Step 5: Solve for x
    x = 6,146,030,993.44/89,850.36
  6. Step 6: Final answer
    x = 68,402.96

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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.