Home / 72,584.40-108,810.96-50,408.20

Finding the Fourth Proportional to 72,584.40, 108,810.96 and 50,408.20

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Solution

The fourth proportional to 72,584.40, 108,810.96 and 50,408.20 is: 75,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,584.40 : 108,810.96 = 50,408.20 : x
  2. Step 2: Convert to fraction form
    72,584.40/108,810.96 = 50,408.20/x
  3. Step 3: Cross multiply
    72,584.40x = 108,810.96 × 50,408.20
  4. Step 4: Simplify right side
    72,584.40x = 5,484,964,633.87
  5. Step 5: Solve for x
    x = 5,484,964,633.87/72,584.40
  6. Step 6: Final answer
    x = 75,566.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.