Home / 89,936.84-124,109.57-49,649.73

Finding the Fourth Proportional to 89,936.84, 124,109.57 and 49,649.73

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Solution

The fourth proportional to 89,936.84, 124,109.57 and 49,649.73 is: 68,514.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,936.84 : 124,109.57 = 49,649.73 : x
  2. Step 2: Convert to fraction form
    89,936.84/124,109.57 = 49,649.73/x
  3. Step 3: Cross multiply
    89,936.84x = 124,109.57 × 49,649.73
  4. Step 4: Simplify right side
    89,936.84x = 6,162,006,392.67
  5. Step 5: Solve for x
    x = 6,162,006,392.67/89,936.84
  6. Step 6: Final answer
    x = 68,514.82

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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.