Home / 89,449.79-123,440.75-49,163.22

Finding the Fourth Proportional to 89,449.79, 123,440.75 and 49,163.22

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Solution

The fourth proportional to 89,449.79, 123,440.75 and 49,163.22 is: 67,845.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,449.79 : 123,440.75 = 49,163.22 : x
  2. Step 2: Convert to fraction form
    89,449.79/123,440.75 = 49,163.22/x
  3. Step 3: Cross multiply
    89,449.79x = 123,440.75 × 49,163.22
  4. Step 4: Simplify right side
    89,449.79x = 6,068,744,503.40
  5. Step 5: Solve for x
    x = 6,068,744,503.40/89,449.79
  6. Step 6: Final answer
    x = 67,845.27

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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.