Home / 67,037.90-100,463.42-50,378.47

Finding the Fourth Proportional to 67,037.90, 100,463.42 and 50,378.47

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Solution

The fourth proportional to 67,037.90, 100,463.42 and 50,378.47 is: 75,497.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,037.90 : 100,463.42 = 50,378.47 : x
  2. Step 2: Convert to fraction form
    67,037.90/100,463.42 = 50,378.47/x
  3. Step 3: Cross multiply
    67,037.90x = 100,463.42 × 50,378.47
  4. Step 4: Simplify right side
    67,037.90x = 5,061,193,390.57
  5. Step 5: Solve for x
    x = 5,061,193,390.57/67,037.90
  6. Step 6: Final answer
    x = 75,497.49

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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.