Home / 49,805.60-68,729.04-28,583.46

Finding the Fourth Proportional to 49,805.60, 68,729.04 and 28,583.46

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Solution

The fourth proportional to 49,805.60, 68,729.04 and 28,583.46 is: 39,443.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,805.60 : 68,729.04 = 28,583.46 : x
  2. Step 2: Convert to fraction form
    49,805.60/68,729.04 = 28,583.46/x
  3. Step 3: Cross multiply
    49,805.60x = 68,729.04 × 28,583.46
  4. Step 4: Simplify right side
    49,805.60x = 1,964,513,765.68
  5. Step 5: Solve for x
    x = 1,964,513,765.68/49,805.60
  6. Step 6: Final answer
    x = 39,443.64

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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.