Home / 87,262.62-130,906.23-31,090.69

Finding the Fourth Proportional to 87,262.62, 130,906.23 and 31,090.69

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Solution

The fourth proportional to 87,262.62, 130,906.23 and 31,090.69 is: 46,640.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,262.62 : 130,906.23 = 31,090.69 : x
  2. Step 2: Convert to fraction form
    87,262.62/130,906.23 = 31,090.69/x
  3. Step 3: Cross multiply
    87,262.62x = 130,906.23 × 31,090.69
  4. Step 4: Simplify right side
    87,262.62x = 4,069,964,326.69
  5. Step 5: Solve for x
    x = 4,069,964,326.69/87,262.62
  6. Step 6: Final answer
    x = 46,640.41

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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.