Home / 89,934.74-124,108.22-49,649.75

Finding the Fourth Proportional to 89,934.74, 124,108.22 and 49,649.75

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Solution

The fourth proportional to 89,934.74, 124,108.22 and 49,649.75 is: 68,515.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.74 : 124,108.22 = 49,649.75 : x
  2. Step 2: Convert to fraction form
    89,934.74/124,108.22 = 49,649.75/x
  3. Step 3: Cross multiply
    89,934.74x = 124,108.22 × 49,649.75
  4. Step 4: Simplify right side
    89,934.74x = 6,161,942,095.95
  5. Step 5: Solve for x
    x = 6,161,942,095.95/89,934.74
  6. Step 6: Final answer
    x = 68,515.70

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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.