Home / 50,811.20-76,107.45-42,063.20

Finding the Fourth Proportional to 50,811.20, 76,107.45 and 42,063.20

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Solution

The fourth proportional to 50,811.20, 76,107.45 and 42,063.20 is: 63,004.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,811.20 : 76,107.45 = 42,063.20 : x
  2. Step 2: Convert to fraction form
    50,811.20/76,107.45 = 42,063.20/x
  3. Step 3: Cross multiply
    50,811.20x = 76,107.45 × 42,063.20
  4. Step 4: Simplify right side
    50,811.20x = 3,201,322,890.84
  5. Step 5: Solve for x
    x = 3,201,322,890.84/50,811.20
  6. Step 6: Final answer
    x = 63,004.28

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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.