Home / 77,212.29-115,732.37-35,029.11

Finding the Fourth Proportional to 77,212.29, 115,732.37 and 35,029.11

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Solution

The fourth proportional to 77,212.29, 115,732.37 and 35,029.11 is: 52,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,212.29 : 115,732.37 = 35,029.11 : x
  2. Step 2: Convert to fraction form
    77,212.29/115,732.37 = 35,029.11/x
  3. Step 3: Cross multiply
    77,212.29x = 115,732.37 × 35,029.11
  4. Step 4: Simplify right side
    77,212.29x = 4,054,002,006.86
  5. Step 5: Solve for x
    x = 4,054,002,006.86/77,212.29
  6. Step 6: Final answer
    x = 52,504.62

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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.