Home / 87,844.90-121,226.94-47,559.54

Finding the Fourth Proportional to 87,844.90, 121,226.94 and 47,559.54

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Solution

The fourth proportional to 87,844.90, 121,226.94 and 47,559.54 is: 65,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,844.90 : 121,226.94 = 47,559.54 : x
  2. Step 2: Convert to fraction form
    87,844.90/121,226.94 = 47,559.54/x
  3. Step 3: Cross multiply
    87,844.90x = 121,226.94 × 47,559.54
  4. Step 4: Simplify right side
    87,844.90x = 5,765,497,502.01
  5. Step 5: Solve for x
    x = 5,765,497,502.01/87,844.90
  6. Step 6: Final answer
    x = 65,632.69

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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.