Home / 89,723.21-123,817.41-49,436.04

Finding the Fourth Proportional to 89,723.21, 123,817.41 and 49,436.04

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Solution

The fourth proportional to 89,723.21, 123,817.41 and 49,436.04 is: 68,221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,723.21 : 123,817.41 = 49,436.04 : x
  2. Step 2: Convert to fraction form
    89,723.21/123,817.41 = 49,436.04/x
  3. Step 3: Cross multiply
    89,723.21x = 123,817.41 × 49,436.04
  4. Step 4: Simplify right side
    89,723.21x = 6,121,042,433.46
  5. Step 5: Solve for x
    x = 6,121,042,433.46/89,723.21
  6. Step 6: Final answer
    x = 68,221.39

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1.5x scale

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.