Home / 76,256.20-114,429.26-31,879.52

Finding the Fourth Proportional to 76,256.20, 114,429.26 and 31,879.52

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Solution

The fourth proportional to 76,256.20, 114,429.26 and 31,879.52 is: 47,838.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,256.20 : 114,429.26 = 31,879.52 : x
  2. Step 2: Convert to fraction form
    76,256.20/114,429.26 = 31,879.52/x
  3. Step 3: Cross multiply
    76,256.20x = 114,429.26 × 31,879.52
  4. Step 4: Simplify right side
    76,256.20x = 3,647,949,882.76
  5. Step 5: Solve for x
    x = 3,647,949,882.76/76,256.20
  6. Step 6: Final answer
    x = 47,838.08

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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.