Home / 65,762.20-90,734.34-37,467.28

Finding the Fourth Proportional to 65,762.20, 90,734.34 and 37,467.28

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Solution

The fourth proportional to 65,762.20, 90,734.34 and 37,467.28 is: 51,694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,762.20 : 90,734.34 = 37,467.28 : x
  2. Step 2: Convert to fraction form
    65,762.20/90,734.34 = 37,467.28/x
  3. Step 3: Cross multiply
    65,762.20x = 90,734.34 × 37,467.28
  4. Step 4: Simplify right side
    65,762.20x = 3,399,568,922.40
  5. Step 5: Solve for x
    x = 3,399,568,922.40/65,762.20
  6. Step 6: Final answer
    x = 51,694.88

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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.