Home / 89,727.40-123,829.34-49,441.15

Finding the Fourth Proportional to 89,727.40, 123,829.34 and 49,441.15

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Solution

The fourth proportional to 89,727.40, 123,829.34 and 49,441.15 is: 68,231.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,727.40 : 123,829.34 = 49,441.15 : x
  2. Step 2: Convert to fraction form
    89,727.40/123,829.34 = 49,441.15/x
  3. Step 3: Cross multiply
    89,727.40x = 123,829.34 × 49,441.15
  4. Step 4: Simplify right side
    89,727.40x = 6,122,264,973.34
  5. Step 5: Solve for x
    x = 6,122,264,973.34/89,727.40
  6. Step 6: Final answer
    x = 68,231.83

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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.