Home / 89,236.24-123,140.84-48,942

Finding the Fourth Proportional to 89,236.24, 123,140.84 and 48,942

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Solution

The fourth proportional to 89,236.24, 123,140.84 and 48,942 is: 67,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,236.24 : 123,140.84 = 48,942 : x
  2. Step 2: Convert to fraction form
    89,236.24/123,140.84 = 48,942/x
  3. Step 3: Cross multiply
    89,236.24x = 123,140.84 × 48,942
  4. Step 4: Simplify right side
    89,236.24x = 6,026,758,991.28
  5. Step 5: Solve for x
    x = 6,026,758,991.28/89,236.24
  6. Step 6: Final answer
    x = 67,537.12

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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.