Home / 76,288.82-114,412.73-31,906.40

Finding the Fourth Proportional to 76,288.82, 114,412.73 and 31,906.40

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Solution

The fourth proportional to 76,288.82, 114,412.73 and 31,906.40 is: 47,851.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,288.82 : 114,412.73 = 31,906.40 : x
  2. Step 2: Convert to fraction form
    76,288.82/114,412.73 = 31,906.40/x
  3. Step 3: Cross multiply
    76,288.82x = 114,412.73 × 31,906.40
  4. Step 4: Simplify right side
    76,288.82x = 3,650,497,596.88
  5. Step 5: Solve for x
    x = 3,650,497,596.88/76,288.82
  6. Step 6: Final answer
    x = 47,851.02

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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.