Home / 47,979.44-71,968.84-36,905.84

Finding the Fourth Proportional to 47,979.44, 71,968.84 and 36,905.84

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Solution

The fourth proportional to 47,979.44, 71,968.84 and 36,905.84 is: 55,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,979.44 : 71,968.84 = 36,905.84 : x
  2. Step 2: Convert to fraction form
    47,979.44/71,968.84 = 36,905.84/x
  3. Step 3: Cross multiply
    47,979.44x = 71,968.84 × 36,905.84
  4. Step 4: Simplify right side
    47,979.44x = 2,656,070,494.03
  5. Step 5: Solve for x
    x = 2,656,070,494.03/47,979.44
  6. Step 6: Final answer
    x = 55,358.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.