Home / 49,859.12-68,815.68-28,652.96

Finding the Fourth Proportional to 49,859.12, 68,815.68 and 28,652.96

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Solution

The fourth proportional to 49,859.12, 68,815.68 and 28,652.96 is: 39,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,859.12 : 68,815.68 = 28,652.96 : x
  2. Step 2: Convert to fraction form
    49,859.12/68,815.68 = 28,652.96/x
  3. Step 3: Cross multiply
    49,859.12x = 68,815.68 × 28,652.96
  4. Step 4: Simplify right side
    49,859.12x = 1,971,772,926.41
  5. Step 5: Solve for x
    x = 1,971,772,926.41/49,859.12
  6. Step 6: Final answer
    x = 39,546.89

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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.