Home / 87,684.35-121,005.56-51,873.44

Finding the Fourth Proportional to 87,684.35, 121,005.56 and 51,873.44

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Solution

The fourth proportional to 87,684.35, 121,005.56 and 51,873.44 is: 71,586.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,684.35 : 121,005.56 = 51,873.44 : x
  2. Step 2: Convert to fraction form
    87,684.35/121,005.56 = 51,873.44/x
  3. Step 3: Cross multiply
    87,684.35x = 121,005.56 × 51,873.44
  4. Step 4: Simplify right side
    87,684.35x = 6,276,974,180.98
  5. Step 5: Solve for x
    x = 6,276,974,180.98/87,684.35
  6. Step 6: Final answer
    x = 71,586.03

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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.