Home / 87,327.34-130,991.01-28,163.01

Finding the Fourth Proportional to 87,327.34, 130,991.01 and 28,163.01

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Solution

The fourth proportional to 87,327.34, 130,991.01 and 28,163.01 is: 42,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,327.34 : 130,991.01 = 28,163.01 : x
  2. Step 2: Convert to fraction form
    87,327.34/130,991.01 = 28,163.01/x
  3. Step 3: Cross multiply
    87,327.34x = 130,991.01 × 28,163.01
  4. Step 4: Simplify right side
    87,327.34x = 3,689,100,773.32
  5. Step 5: Solve for x
    x = 3,689,100,773.32/87,327.34
  6. Step 6: Final answer
    x = 42,244.51

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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.