Home / 89,806.52-123,933.66-49,521.80

Finding the Fourth Proportional to 89,806.52, 123,933.66 and 49,521.80

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Solution

The fourth proportional to 89,806.52, 123,933.66 and 49,521.80 is: 68,340.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,806.52 : 123,933.66 = 49,521.80 : x
  2. Step 2: Convert to fraction form
    89,806.52/123,933.66 = 49,521.80/x
  3. Step 3: Cross multiply
    89,806.52x = 123,933.66 × 49,521.80
  4. Step 4: Simplify right side
    89,806.52x = 6,137,417,923.79
  5. Step 5: Solve for x
    x = 6,137,417,923.79/89,806.52
  6. Step 6: Final answer
    x = 68,340.45

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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.