Home / 109,738.41-151,451.30-61,994.84

Finding the Fourth Proportional to 109,738.41, 151,451.30 and 61,994.84

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Solution

The fourth proportional to 109,738.41, 151,451.30 and 61,994.84 is: 85,559.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,738.41 : 151,451.30 = 61,994.84 : x
  2. Step 2: Convert to fraction form
    109,738.41/151,451.30 = 61,994.84/x
  3. Step 3: Cross multiply
    109,738.41x = 151,451.30 × 61,994.84
  4. Step 4: Simplify right side
    109,738.41x = 9,389,198,044.06
  5. Step 5: Solve for x
    x = 9,389,198,044.06/109,738.41
  6. Step 6: Final answer
    x = 85,559.81

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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.