Home / 67,155.43-100,711.42-22,166.68

Finding the Fourth Proportional to 67,155.43, 100,711.42 and 22,166.68

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Solution

The fourth proportional to 67,155.43, 100,711.42 and 22,166.68 is: 33,242.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,155.43 : 100,711.42 = 22,166.68 : x
  2. Step 2: Convert to fraction form
    67,155.43/100,711.42 = 22,166.68/x
  3. Step 3: Cross multiply
    67,155.43x = 100,711.42 × 22,166.68
  4. Step 4: Simplify right side
    67,155.43x = 2,232,437,323.01
  5. Step 5: Solve for x
    x = 2,232,437,323.01/67,155.43
  6. Step 6: Final answer
    x = 33,242.84

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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.