Home / 57,700.56-86,375.52-51,518.64

Finding the Fourth Proportional to 57,700.56, 86,375.52 and 51,518.64

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Solution

The fourth proportional to 57,700.56, 86,375.52 and 51,518.64 is: 77,121.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,700.56 : 86,375.52 = 51,518.64 : x
  2. Step 2: Convert to fraction form
    57,700.56/86,375.52 = 51,518.64/x
  3. Step 3: Cross multiply
    57,700.56x = 86,375.52 × 51,518.64
  4. Step 4: Simplify right side
    57,700.56x = 4,449,949,319.69
  5. Step 5: Solve for x
    x = 4,449,949,319.69/57,700.56
  6. Step 6: Final answer
    x = 77,121.42

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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.