Home / 65,517.16-90,416.10-37,227.64

Finding the Fourth Proportional to 65,517.16, 90,416.10 and 37,227.64

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Solution

The fourth proportional to 65,517.16, 90,416.10 and 37,227.64 is: 51,375.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,517.16 : 90,416.10 = 37,227.64 : x
  2. Step 2: Convert to fraction form
    65,517.16/90,416.10 = 37,227.64/x
  3. Step 3: Cross multiply
    65,517.16x = 90,416.10 × 37,227.64
  4. Step 4: Simplify right side
    65,517.16x = 3,365,978,021.00
  5. Step 5: Solve for x
    x = 3,365,978,021.00/65,517.16
  6. Step 6: Final answer
    x = 51,375.52

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1.5x scale

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.