Home / 109,685.97-164,534.83-34,811.80

Finding the Fourth Proportional to 109,685.97, 164,534.83 and 34,811.80

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Solution

The fourth proportional to 109,685.97, 164,534.83 and 34,811.80 is: 52,219.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,685.97 : 164,534.83 = 34,811.80 : x
  2. Step 2: Convert to fraction form
    109,685.97/164,534.83 = 34,811.80/x
  3. Step 3: Cross multiply
    109,685.97x = 164,534.83 × 34,811.80
  4. Step 4: Simplify right side
    109,685.97x = 5,727,753,096.63
  5. Step 5: Solve for x
    x = 5,727,753,096.63/109,685.97
  6. Step 6: Final answer
    x = 52,219.56

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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.