Home / 87,108.75-130,650.83-27,936.74

Finding the Fourth Proportional to 87,108.75, 130,650.83 and 27,936.74

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Solution

The fourth proportional to 87,108.75, 130,650.83 and 27,936.74 is: 41,901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,108.75 : 130,650.83 = 27,936.74 : x
  2. Step 2: Convert to fraction form
    87,108.75/130,650.83 = 27,936.74/x
  3. Step 3: Cross multiply
    87,108.75x = 130,650.83 × 27,936.74
  4. Step 4: Simplify right side
    87,108.75x = 3,649,958,268.49
  5. Step 5: Solve for x
    x = 3,649,958,268.49/87,108.75
  6. Step 6: Final answer
    x = 41,901.17

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1.5x scale

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.