Home / 76,813.12-115,180.32-35,224

Finding the Fourth Proportional to 76,813.12, 115,180.32 and 35,224

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Solution

The fourth proportional to 76,813.12, 115,180.32 and 35,224 is: 52,817.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,813.12 : 115,180.32 = 35,224 : x
  2. Step 2: Convert to fraction form
    76,813.12/115,180.32 = 35,224/x
  3. Step 3: Cross multiply
    76,813.12x = 115,180.32 × 35,224
  4. Step 4: Simplify right side
    76,813.12x = 4,057,111,591.68
  5. Step 5: Solve for x
    x = 4,057,111,591.68/76,813.12
  6. Step 6: Final answer
    x = 52,817.95

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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.