Home / 76,049.28-114,073.92-74,299.68

Finding the Fourth Proportional to 76,049.28, 114,073.92 and 74,299.68

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Solution

The fourth proportional to 76,049.28, 114,073.92 and 74,299.68 is: 111,449.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,049.28 : 114,073.92 = 74,299.68 : x
  2. Step 2: Convert to fraction form
    76,049.28/114,073.92 = 74,299.68/x
  3. Step 3: Cross multiply
    76,049.28x = 114,073.92 × 74,299.68
  4. Step 4: Simplify right side
    76,049.28x = 8,475,655,752.35
  5. Step 5: Solve for x
    x = 8,475,655,752.35/76,049.28
  6. Step 6: Final answer
    x = 111,449.52

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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.