Home / 89,934.80-124,110.21-49,648.62

Finding the Fourth Proportional to 89,934.80, 124,110.21 and 49,648.62

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Solution

The fourth proportional to 89,934.80, 124,110.21 and 49,648.62 is: 68,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,934.80 : 124,110.21 = 49,648.62 : x
  2. Step 2: Convert to fraction form
    89,934.80/124,110.21 = 49,648.62/x
  3. Step 3: Cross multiply
    89,934.80x = 124,110.21 × 49,648.62
  4. Step 4: Simplify right side
    89,934.80x = 6,161,900,716.47
  5. Step 5: Solve for x
    x = 6,161,900,716.47/89,934.80
  6. Step 6: Final answer
    x = 68,515.20

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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.