Home / 89,304.40-123,241.66-49,021.91

Finding the Fourth Proportional to 89,304.40, 123,241.66 and 49,021.91

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Solution

The fourth proportional to 89,304.40, 123,241.66 and 49,021.91 is: 67,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,304.40 : 123,241.66 = 49,021.91 : x
  2. Step 2: Convert to fraction form
    89,304.40/123,241.66 = 49,021.91/x
  3. Step 3: Cross multiply
    89,304.40x = 123,241.66 × 49,021.91
  4. Step 4: Simplify right side
    89,304.40x = 6,041,541,472.00
  5. Step 5: Solve for x
    x = 6,041,541,472.00/89,304.40
  6. Step 6: Final answer
    x = 67,651.11

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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.