Home / 70,194.20-105,297.98-25,821.79

Finding the Fourth Proportional to 70,194.20, 105,297.98 and 25,821.79

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Solution

The fourth proportional to 70,194.20, 105,297.98 and 25,821.79 is: 38,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,194.20 : 105,297.98 = 25,821.79 : x
  2. Step 2: Convert to fraction form
    70,194.20/105,297.98 = 25,821.79/x
  3. Step 3: Cross multiply
    70,194.20x = 105,297.98 × 25,821.79
  4. Step 4: Simplify right side
    70,194.20x = 2,718,981,934.63
  5. Step 5: Solve for x
    x = 2,718,981,934.63/70,194.20
  6. Step 6: Final answer
    x = 38,735.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.