Home / 49,067.16-67,711.86-28,924.80

Finding the Fourth Proportional to 49,067.16, 67,711.86 and 28,924.80

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Solution

The fourth proportional to 49,067.16, 67,711.86 and 28,924.80 is: 39,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,067.16 : 67,711.86 = 28,924.80 : x
  2. Step 2: Convert to fraction form
    49,067.16/67,711.86 = 28,924.80/x
  3. Step 3: Cross multiply
    49,067.16x = 67,711.86 × 28,924.80
  4. Step 4: Simplify right side
    49,067.16x = 1,958,552,008.13
  5. Step 5: Solve for x
    x = 1,958,552,008.13/49,067.16
  6. Step 6: Final answer
    x = 39,915.74

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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.