Home / 76,435.20-114,652.68-50,133.72

Finding the Fourth Proportional to 76,435.20, 114,652.68 and 50,133.72

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Solution

The fourth proportional to 76,435.20, 114,652.68 and 50,133.72 is: 75,200.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,435.20 : 114,652.68 = 50,133.72 : x
  2. Step 2: Convert to fraction form
    76,435.20/114,652.68 = 50,133.72/x
  3. Step 3: Cross multiply
    76,435.20x = 114,652.68 × 50,133.72
  4. Step 4: Simplify right side
    76,435.20x = 5,747,965,356.37
  5. Step 5: Solve for x
    x = 5,747,965,356.37/76,435.20
  6. Step 6: Final answer
    x = 75,200.50

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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.