Home / 89,743.84-123,847.32-49,459.04

Finding the Fourth Proportional to 89,743.84, 123,847.32 and 49,459.04

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Solution

The fourth proportional to 89,743.84, 123,847.32 and 49,459.04 is: 68,253.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,743.84 : 123,847.32 = 49,459.04 : x
  2. Step 2: Convert to fraction form
    89,743.84/123,847.32 = 49,459.04/x
  3. Step 3: Cross multiply
    89,743.84x = 123,847.32 × 49,459.04
  4. Step 4: Simplify right side
    89,743.84x = 6,125,369,553.77
  5. Step 5: Solve for x
    x = 6,125,369,553.77/89,743.84
  6. Step 6: Final answer
    x = 68,253.93

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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.