Home / 49,422.99-68,208.61-28,205.45

Finding the Fourth Proportional to 49,422.99, 68,208.61 and 28,205.45

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Solution

The fourth proportional to 49,422.99, 68,208.61 and 28,205.45 is: 38,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,422.99 : 68,208.61 = 28,205.45 : x
  2. Step 2: Convert to fraction form
    49,422.99/68,208.61 = 28,205.45/x
  3. Step 3: Cross multiply
    49,422.99x = 68,208.61 × 28,205.45
  4. Step 4: Simplify right side
    49,422.99x = 1,923,854,197.88
  5. Step 5: Solve for x
    x = 1,923,854,197.88/49,422.99
  6. Step 6: Final answer
    x = 38,926.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.