Home / 76,824.08-115,236.24-50,645.76

Finding the Fourth Proportional to 76,824.08, 115,236.24 and 50,645.76

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Solution

The fourth proportional to 76,824.08, 115,236.24 and 50,645.76 is: 75,968.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,824.08 : 115,236.24 = 50,645.76 : x
  2. Step 2: Convert to fraction form
    76,824.08/115,236.24 = 50,645.76/x
  3. Step 3: Cross multiply
    76,824.08x = 115,236.24 × 50,645.76
  4. Step 4: Simplify right side
    76,824.08x = 5,836,226,954.34
  5. Step 5: Solve for x
    x = 5,836,226,954.34/76,824.08
  6. Step 6: Final answer
    x = 75,968.72

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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.