Home / 45,086.52-67,621.86-13,922.04

Finding the Fourth Proportional to 45,086.52, 67,621.86 and 13,922.04

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Solution

The fourth proportional to 45,086.52, 67,621.86 and 13,922.04 is: 20,880.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,086.52 : 67,621.86 = 13,922.04 : x
  2. Step 2: Convert to fraction form
    45,086.52/67,621.86 = 13,922.04/x
  3. Step 3: Cross multiply
    45,086.52x = 67,621.86 × 13,922.04
  4. Step 4: Simplify right side
    45,086.52x = 941,434,239.79
  5. Step 5: Solve for x
    x = 941,434,239.79/45,086.52
  6. Step 6: Final answer
    x = 20,880.61

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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.