Home / 87,824.36-121,209.06-50,105.96

Finding the Fourth Proportional to 87,824.36, 121,209.06 and 50,105.96

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Solution

The fourth proportional to 87,824.36, 121,209.06 and 50,105.96 is: 69,152.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,824.36 : 121,209.06 = 50,105.96 : x
  2. Step 2: Convert to fraction form
    87,824.36/121,209.06 = 50,105.96/x
  3. Step 3: Cross multiply
    87,824.36x = 121,209.06 × 50,105.96
  4. Step 4: Simplify right side
    87,824.36x = 6,073,296,312.00
  5. Step 5: Solve for x
    x = 6,073,296,312.00/87,824.36
  6. Step 6: Final answer
    x = 69,152.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.