Home / 76,834.28-115,265.37-37,391.42

Finding the Fourth Proportional to 76,834.28, 115,265.37 and 37,391.42

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Solution

The fourth proportional to 76,834.28, 115,265.37 and 37,391.42 is: 56,093.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,834.28 : 115,265.37 = 37,391.42 : x
  2. Step 2: Convert to fraction form
    76,834.28/115,265.37 = 37,391.42/x
  3. Step 3: Cross multiply
    76,834.28x = 115,265.37 × 37,391.42
  4. Step 4: Simplify right side
    76,834.28x = 4,309,935,861.13
  5. Step 5: Solve for x
    x = 4,309,935,861.13/76,834.28
  6. Step 6: Final answer
    x = 56,093.92

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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.