Home / 45,190.52-67,785.43-13,600.44

Finding the Fourth Proportional to 45,190.52, 67,785.43 and 13,600.44

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Solution

The fourth proportional to 45,190.52, 67,785.43 and 13,600.44 is: 20,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,190.52 : 67,785.43 = 13,600.44 : x
  2. Step 2: Convert to fraction form
    45,190.52/67,785.43 = 13,600.44/x
  3. Step 3: Cross multiply
    45,190.52x = 67,785.43 × 13,600.44
  4. Step 4: Simplify right side
    45,190.52x = 921,911,605.59
  5. Step 5: Solve for x
    x = 921,911,605.59/45,190.52
  6. Step 6: Final answer
    x = 20,400.56

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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.