Home / 89,742.93-123,846.09-49,458.17

Finding the Fourth Proportional to 89,742.93, 123,846.09 and 49,458.17

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Solution

The fourth proportional to 89,742.93, 123,846.09 and 49,458.17 is: 68,252.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,742.93 : 123,846.09 = 49,458.17 : x
  2. Step 2: Convert to fraction form
    89,742.93/123,846.09 = 49,458.17/x
  3. Step 3: Cross multiply
    89,742.93x = 123,846.09 × 49,458.17
  4. Step 4: Simplify right side
    89,742.93x = 6,125,200,353.82
  5. Step 5: Solve for x
    x = 6,125,200,353.82/89,742.93
  6. Step 6: Final answer
    x = 68,252.73

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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.