Home / 87,327.75-130,992.54-47,863.34

Finding the Fourth Proportional to 87,327.75, 130,992.54 and 47,863.34

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Solution

The fourth proportional to 87,327.75, 130,992.54 and 47,863.34 is: 71,795.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,327.75 : 130,992.54 = 47,863.34 : x
  2. Step 2: Convert to fraction form
    87,327.75/130,992.54 = 47,863.34/x
  3. Step 3: Cross multiply
    87,327.75x = 130,992.54 × 47,863.34
  4. Step 4: Simplify right side
    87,327.75x = 6,269,740,479.48
  5. Step 5: Solve for x
    x = 6,269,740,479.48/87,327.75
  6. Step 6: Final answer
    x = 71,795.51

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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.