Home / 89,280.40-123,208.24-48,993.44

Finding the Fourth Proportional to 89,280.40, 123,208.24 and 48,993.44

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Solution

The fourth proportional to 89,280.40, 123,208.24 and 48,993.44 is: 67,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,280.40 : 123,208.24 = 48,993.44 : x
  2. Step 2: Convert to fraction form
    89,280.40/123,208.24 = 48,993.44/x
  3. Step 3: Cross multiply
    89,280.40x = 123,208.24 × 48,993.44
  4. Step 4: Simplify right side
    89,280.40x = 6,036,395,513.95
  5. Step 5: Solve for x
    x = 6,036,395,513.95/89,280.40
  6. Step 6: Final answer
    x = 67,611.65

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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.