Home / 89,747.22-123,850.54-49,461

Finding the Fourth Proportional to 89,747.22, 123,850.54 and 49,461

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Solution

The fourth proportional to 89,747.22, 123,850.54 and 49,461 is: 68,255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,747.22 : 123,850.54 = 49,461 : x
  2. Step 2: Convert to fraction form
    89,747.22/123,850.54 = 49,461/x
  3. Step 3: Cross multiply
    89,747.22x = 123,850.54 × 49,461
  4. Step 4: Simplify right side
    89,747.22x = 6,125,771,558.94
  5. Step 5: Solve for x
    x = 6,125,771,558.94/89,747.22
  6. Step 6: Final answer
    x = 68,255.84

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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.