Home / 76,355.14-114,438.56-55,367.24

Finding the Fourth Proportional to 76,355.14, 114,438.56 and 55,367.24

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Solution

The fourth proportional to 76,355.14, 114,438.56 and 55,367.24 is: 82,982.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,355.14 : 114,438.56 = 55,367.24 : x
  2. Step 2: Convert to fraction form
    76,355.14/114,438.56 = 55,367.24/x
  3. Step 3: Cross multiply
    76,355.14x = 114,438.56 × 55,367.24
  4. Step 4: Simplify right side
    76,355.14x = 6,336,147,216.77
  5. Step 5: Solve for x
    x = 6,336,147,216.77/76,355.14
  6. Step 6: Final answer
    x = 82,982.59

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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.