Home / 67,405.40-100,972.76-33,569.44

Finding the Fourth Proportional to 67,405.40, 100,972.76 and 33,569.44

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Solution

The fourth proportional to 67,405.40, 100,972.76 and 33,569.44 is: 50,286.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,405.40 : 100,972.76 = 33,569.44 : x
  2. Step 2: Convert to fraction form
    67,405.40/100,972.76 = 33,569.44/x
  3. Step 3: Cross multiply
    67,405.40x = 100,972.76 × 33,569.44
  4. Step 4: Simplify right side
    67,405.40x = 3,389,599,008.45
  5. Step 5: Solve for x
    x = 3,389,599,008.45/67,405.40
  6. Step 6: Final answer
    x = 50,286.76

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1.5x scale

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.