Home / 87,767.91-121,119.21-47,481.55

Finding the Fourth Proportional to 87,767.91, 121,119.21 and 47,481.55

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Solution

The fourth proportional to 87,767.91, 121,119.21 and 47,481.55 is: 65,524.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,767.91 : 121,119.21 = 47,481.55 : x
  2. Step 2: Convert to fraction form
    87,767.91/121,119.21 = 47,481.55/x
  3. Step 3: Cross multiply
    87,767.91x = 121,119.21 × 47,481.55
  4. Step 4: Simplify right side
    87,767.91x = 5,750,927,825.58
  5. Step 5: Solve for x
    x = 5,750,927,825.58/87,767.91
  6. Step 6: Final answer
    x = 65,524.27

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1.5x scale

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.