Home / 87,022.83-120,113.25-53,469.39

Finding the Fourth Proportional to 87,022.83, 120,113.25 and 53,469.39

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Solution

The fourth proportional to 87,022.83, 120,113.25 and 53,469.39 is: 73,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,022.83 : 120,113.25 = 53,469.39 : x
  2. Step 2: Convert to fraction form
    87,022.83/120,113.25 = 53,469.39/x
  3. Step 3: Cross multiply
    87,022.83x = 120,113.25 × 53,469.39
  4. Step 4: Simplify right side
    87,022.83x = 6,422,382,208.42
  5. Step 5: Solve for x
    x = 6,422,382,208.42/87,022.83
  6. Step 6: Final answer
    x = 73,801.12

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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.