Home / 89,586.89-123,566.20-74,224.97

Finding the Fourth Proportional to 89,586.89, 123,566.20 and 74,224.97

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Solution

The fourth proportional to 89,586.89, 123,566.20 and 74,224.97 is: 102,377.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,586.89 : 123,566.20 = 74,224.97 : x
  2. Step 2: Convert to fraction form
    89,586.89/123,566.20 = 74,224.97/x
  3. Step 3: Cross multiply
    89,586.89x = 123,566.20 × 74,224.97
  4. Step 4: Simplify right side
    89,586.89x = 9,171,696,684.62
  5. Step 5: Solve for x
    x = 9,171,696,684.62/89,586.89
  6. Step 6: Final answer
    x = 102,377.67

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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.