Home / 87,022.21-130,469.47-27,823.81

Finding the Fourth Proportional to 87,022.21, 130,469.47 and 27,823.81

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Solution

The fourth proportional to 87,022.21, 130,469.47 and 27,823.81 is: 41,715.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,022.21 : 130,469.47 = 27,823.81 : x
  2. Step 2: Convert to fraction form
    87,022.21/130,469.47 = 27,823.81/x
  3. Step 3: Cross multiply
    87,022.21x = 130,469.47 × 27,823.81
  4. Step 4: Simplify right side
    87,022.21x = 3,630,157,744.08
  5. Step 5: Solve for x
    x = 3,630,157,744.08/87,022.21
  6. Step 6: Final answer
    x = 41,715.30

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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.