Home / 87,221.56-120,334.26-49,473.94

Finding the Fourth Proportional to 87,221.56, 120,334.26 and 49,473.94

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Solution

The fourth proportional to 87,221.56, 120,334.26 and 49,473.94 is: 68,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,221.56 : 120,334.26 = 49,473.94 : x
  2. Step 2: Convert to fraction form
    87,221.56/120,334.26 = 49,473.94/x
  3. Step 3: Cross multiply
    87,221.56x = 120,334.26 × 49,473.94
  4. Step 4: Simplify right side
    87,221.56x = 5,953,409,959.18
  5. Step 5: Solve for x
    x = 5,953,409,959.18/87,221.56
  6. Step 6: Final answer
    x = 68,256.17

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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.