Home / 71,889.24-99,183.62-43,584.60

Finding the Fourth Proportional to 71,889.24, 99,183.62 and 43,584.60

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Solution

The fourth proportional to 71,889.24, 99,183.62 and 43,584.60 is: 60,132.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,889.24 : 99,183.62 = 43,584.60 : x
  2. Step 2: Convert to fraction form
    71,889.24/99,183.62 = 43,584.60/x
  3. Step 3: Cross multiply
    71,889.24x = 99,183.62 × 43,584.60
  4. Step 4: Simplify right side
    71,889.24x = 4,322,878,404.25
  5. Step 5: Solve for x
    x = 4,322,878,404.25/71,889.24
  6. Step 6: Final answer
    x = 60,132.48

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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.