Home / 57,896.20-86,714.70-47,528.20

Finding the Fourth Proportional to 57,896.20, 86,714.70 and 47,528.20

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Solution

The fourth proportional to 57,896.20, 86,714.70 and 47,528.20 is: 71,185.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,896.20 : 86,714.70 = 47,528.20 : x
  2. Step 2: Convert to fraction form
    57,896.20/86,714.70 = 47,528.20/x
  3. Step 3: Cross multiply
    57,896.20x = 86,714.70 × 47,528.20
  4. Step 4: Simplify right side
    57,896.20x = 4,121,393,604.54
  5. Step 5: Solve for x
    x = 4,121,393,604.54/57,896.20
  6. Step 6: Final answer
    x = 71,185.91

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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.