Home / 50,734.80-76,102.20-40,237.20

Finding the Fourth Proportional to 50,734.80, 76,102.20 and 40,237.20

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Solution

The fourth proportional to 50,734.80, 76,102.20 and 40,237.20 is: 60,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,734.80 : 76,102.20 = 40,237.20 : x
  2. Step 2: Convert to fraction form
    50,734.80/76,102.20 = 40,237.20/x
  3. Step 3: Cross multiply
    50,734.80x = 76,102.20 × 40,237.20
  4. Step 4: Simplify right side
    50,734.80x = 3,062,139,441.84
  5. Step 5: Solve for x
    x = 3,062,139,441.84/50,734.80
  6. Step 6: Final answer
    x = 60,355.80

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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.