Home / 49,785.60-68,704.74-28,566.84

Finding the Fourth Proportional to 49,785.60, 68,704.74 and 28,566.84

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Solution

The fourth proportional to 49,785.60, 68,704.74 and 28,566.84 is: 39,422.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,785.60 : 68,704.74 = 28,566.84 : x
  2. Step 2: Convert to fraction form
    49,785.60/68,704.74 = 28,566.84/x
  3. Step 3: Cross multiply
    49,785.60x = 68,704.74 × 28,566.84
  4. Step 4: Simplify right side
    49,785.60x = 1,962,677,171.99
  5. Step 5: Solve for x
    x = 1,962,677,171.99/49,785.60
  6. Step 6: Final answer
    x = 39,422.59

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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.