Home / 87,507.49-131,268.14-43,110.02

Finding the Fourth Proportional to 87,507.49, 131,268.14 and 43,110.02

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Solution

The fourth proportional to 87,507.49, 131,268.14 and 43,110.02 is: 64,668.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,507.49 : 131,268.14 = 43,110.02 : x
  2. Step 2: Convert to fraction form
    87,507.49/131,268.14 = 43,110.02/x
  3. Step 3: Cross multiply
    87,507.49x = 131,268.14 × 43,110.02
  4. Step 4: Simplify right side
    87,507.49x = 5,658,972,657.54
  5. Step 5: Solve for x
    x = 5,658,972,657.54/87,507.49
  6. Step 6: Final answer
    x = 64,668.44

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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.