Home / 89,405.25-123,324.53-53,082.05

Finding the Fourth Proportional to 89,405.25, 123,324.53 and 53,082.05

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Solution

The fourth proportional to 89,405.25, 123,324.53 and 53,082.05 is: 73,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,405.25 : 123,324.53 = 53,082.05 : x
  2. Step 2: Convert to fraction form
    89,405.25/123,324.53 = 53,082.05/x
  3. Step 3: Cross multiply
    89,405.25x = 123,324.53 × 53,082.05
  4. Step 4: Simplify right side
    89,405.25x = 6,546,318,679.35
  5. Step 5: Solve for x
    x = 6,546,318,679.35/89,405.25
  6. Step 6: Final answer
    x = 73,220.74

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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.