Home / 79,932.48-119,872.78-26,610.14

Finding the Fourth Proportional to 79,932.48, 119,872.78 and 26,610.14

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Solution

The fourth proportional to 79,932.48, 119,872.78 and 26,610.14 is: 39,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,932.48 : 119,872.78 = 26,610.14 : x
  2. Step 2: Convert to fraction form
    79,932.48/119,872.78 = 26,610.14/x
  3. Step 3: Cross multiply
    79,932.48x = 119,872.78 × 26,610.14
  4. Step 4: Simplify right side
    79,932.48x = 3,189,831,457.99
  5. Step 5: Solve for x
    x = 3,189,831,457.99/79,932.48
  6. Step 6: Final answer
    x = 39,906.57

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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.