Home / 77,299.20-115,901.42-32,900.67

Finding the Fourth Proportional to 77,299.20, 115,901.42 and 32,900.67

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Solution

The fourth proportional to 77,299.20, 115,901.42 and 32,900.67 is: 49,330.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,299.20 : 115,901.42 = 32,900.67 : x
  2. Step 2: Convert to fraction form
    77,299.20/115,901.42 = 32,900.67/x
  3. Step 3: Cross multiply
    77,299.20x = 115,901.42 × 32,900.67
  4. Step 4: Simplify right side
    77,299.20x = 3,813,234,207.45
  5. Step 5: Solve for x
    x = 3,813,234,207.45/77,299.20
  6. Step 6: Final answer
    x = 49,330.84

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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.