Home / 87,767.58-121,119.16-47,481.22

Finding the Fourth Proportional to 87,767.58, 121,119.16 and 47,481.22

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Solution

The fourth proportional to 87,767.58, 121,119.16 and 47,481.22 is: 65,524.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,767.58 : 121,119.16 = 47,481.22 : x
  2. Step 2: Convert to fraction form
    87,767.58/121,119.16 = 47,481.22/x
  3. Step 3: Cross multiply
    87,767.58x = 121,119.16 × 47,481.22
  4. Step 4: Simplify right side
    87,767.58x = 5,750,885,470.36
  5. Step 5: Solve for x
    x = 5,750,885,470.36/87,767.58
  6. Step 6: Final answer
    x = 65,524.03

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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.