Home / 67,069.11-100,571.22-38,997.30

Finding the Fourth Proportional to 67,069.11, 100,571.22 and 38,997.30

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Solution

The fourth proportional to 67,069.11, 100,571.22 and 38,997.30 is: 58,477.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,069.11 : 100,571.22 = 38,997.30 : x
  2. Step 2: Convert to fraction form
    67,069.11/100,571.22 = 38,997.30/x
  3. Step 3: Cross multiply
    67,069.11x = 100,571.22 × 38,997.30
  4. Step 4: Simplify right side
    67,069.11x = 3,922,006,037.71
  5. Step 5: Solve for x
    x = 3,922,006,037.71/67,069.11
  6. Step 6: Final answer
    x = 58,477.08

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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.