Home / 89,506.24-123,516-49,219.96

Finding the Fourth Proportional to 89,506.24, 123,516 and 49,219.96

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Solution

The fourth proportional to 89,506.24, 123,516 and 49,219.96 is: 67,922.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,506.24 : 123,516 = 49,219.96 : x
  2. Step 2: Convert to fraction form
    89,506.24/123,516 = 49,219.96/x
  3. Step 3: Cross multiply
    89,506.24x = 123,516 × 49,219.96
  4. Step 4: Simplify right side
    89,506.24x = 6,079,452,579.36
  5. Step 5: Solve for x
    x = 6,079,452,579.36/89,506.24
  6. Step 6: Final answer
    x = 67,922.11

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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.