Home / 87,814.80-121,183.20-50,089.68

Finding the Fourth Proportional to 87,814.80, 121,183.20 and 50,089.68

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Solution

The fourth proportional to 87,814.80, 121,183.20 and 50,089.68 is: 69,123.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,814.80 : 121,183.20 = 50,089.68 : x
  2. Step 2: Convert to fraction form
    87,814.80/121,183.20 = 50,089.68/x
  3. Step 3: Cross multiply
    87,814.80x = 121,183.20 × 50,089.68
  4. Step 4: Simplify right side
    87,814.80x = 6,070,027,709.38
  5. Step 5: Solve for x
    x = 6,070,027,709.38/87,814.80
  6. Step 6: Final answer
    x = 69,123.06

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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.