Home / 45,170.55-67,744.89-21,467.61

Finding the Fourth Proportional to 45,170.55, 67,744.89 and 21,467.61

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Solution

The fourth proportional to 45,170.55, 67,744.89 and 21,467.61 is: 32,196.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,170.55 : 67,744.89 = 21,467.61 : x
  2. Step 2: Convert to fraction form
    45,170.55/67,744.89 = 21,467.61/x
  3. Step 3: Cross multiply
    45,170.55x = 67,744.89 × 21,467.61
  4. Step 4: Simplify right side
    45,170.55x = 1,454,320,878.01
  5. Step 5: Solve for x
    x = 1,454,320,878.01/45,170.55
  6. Step 6: Final answer
    x = 32,196.22

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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.