Home / 47,579.87-71,375.94-15,976.35

Finding the Fourth Proportional to 47,579.87, 71,375.94 and 15,976.35

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Solution

The fourth proportional to 47,579.87, 71,375.94 and 15,976.35 is: 23,966.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,579.87 : 71,375.94 = 15,976.35 : x
  2. Step 2: Convert to fraction form
    47,579.87/71,375.94 = 15,976.35/x
  3. Step 3: Cross multiply
    47,579.87x = 71,375.94 × 15,976.35
  4. Step 4: Simplify right side
    47,579.87x = 1,140,326,999.02
  5. Step 5: Solve for x
    x = 1,140,326,999.02/47,579.87
  6. Step 6: Final answer
    x = 23,966.58

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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.