Home / 89,891.34-124,049.94-49,605.08

Finding the Fourth Proportional to 89,891.34, 124,049.94 and 49,605.08

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Solution

The fourth proportional to 89,891.34, 124,049.94 and 49,605.08 is: 68,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,891.34 : 124,049.94 = 49,605.08 : x
  2. Step 2: Convert to fraction form
    89,891.34/124,049.94 = 49,605.08/x
  3. Step 3: Cross multiply
    89,891.34x = 124,049.94 × 49,605.08
  4. Step 4: Simplify right side
    89,891.34x = 6,153,507,197.70
  5. Step 5: Solve for x
    x = 6,153,507,197.70/89,891.34
  6. Step 6: Final answer
    x = 68,454.95

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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.