Home / 87,324.53-120,520.91-53,352.65

Finding the Fourth Proportional to 87,324.53, 120,520.91 and 53,352.65

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Solution

The fourth proportional to 87,324.53, 120,520.91 and 53,352.65 is: 73,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,324.53 : 120,520.91 = 53,352.65 : x
  2. Step 2: Convert to fraction form
    87,324.53/120,520.91 = 53,352.65/x
  3. Step 3: Cross multiply
    87,324.53x = 120,520.91 × 53,352.65
  4. Step 4: Simplify right side
    87,324.53x = 6,430,109,963.45
  5. Step 5: Solve for x
    x = 6,430,109,963.45/87,324.53
  6. Step 6: Final answer
    x = 73,634.64

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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.