Home / 76,027.28-104,891.92-49,203.68

Finding the Fourth Proportional to 76,027.28, 104,891.92 and 49,203.68

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Solution

The fourth proportional to 76,027.28, 104,891.92 and 49,203.68 is: 67,884.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,027.28 : 104,891.92 = 49,203.68 : x
  2. Step 2: Convert to fraction form
    76,027.28/104,891.92 = 49,203.68/x
  3. Step 3: Cross multiply
    76,027.28x = 104,891.92 × 49,203.68
  4. Step 4: Simplify right side
    76,027.28x = 5,161,068,466.27
  5. Step 5: Solve for x
    x = 5,161,068,466.27/76,027.28
  6. Step 6: Final answer
    x = 67,884.43

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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.