Home / 76,736.52-115,096.53-20,582.22

Finding the Fourth Proportional to 76,736.52, 115,096.53 and 20,582.22

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Solution

The fourth proportional to 76,736.52, 115,096.53 and 20,582.22 is: 30,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,736.52 : 115,096.53 = 20,582.22 : x
  2. Step 2: Convert to fraction form
    76,736.52/115,096.53 = 20,582.22/x
  3. Step 3: Cross multiply
    76,736.52x = 115,096.53 × 20,582.22
  4. Step 4: Simplify right side
    76,736.52x = 2,368,942,101.70
  5. Step 5: Solve for x
    x = 2,368,942,101.70/76,736.52
  6. Step 6: Final answer
    x = 30,871.12

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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.