Home / 87,091.96-130,629.84-23,909.80

Finding the Fourth Proportional to 87,091.96, 130,629.84 and 23,909.80

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Solution

The fourth proportional to 87,091.96, 130,629.84 and 23,909.80 is: 35,862.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,091.96 : 130,629.84 = 23,909.80 : x
  2. Step 2: Convert to fraction form
    87,091.96/130,629.84 = 23,909.80/x
  3. Step 3: Cross multiply
    87,091.96x = 130,629.84 × 23,909.80
  4. Step 4: Simplify right side
    87,091.96x = 3,123,333,348.43
  5. Step 5: Solve for x
    x = 3,123,333,348.43/87,091.96
  6. Step 6: Final answer
    x = 35,862.48

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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.