Home / 76,179.92-114,232.44-31,793.36

Finding the Fourth Proportional to 76,179.92, 114,232.44 and 31,793.36

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Solution

The fourth proportional to 76,179.92, 114,232.44 and 31,793.36 is: 47,674.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,179.92 : 114,232.44 = 31,793.36 : x
  2. Step 2: Convert to fraction form
    76,179.92/114,232.44 = 31,793.36/x
  3. Step 3: Cross multiply
    76,179.92x = 114,232.44 × 31,793.36
  4. Step 4: Simplify right side
    76,179.92x = 3,631,833,088.60
  5. Step 5: Solve for x
    x = 3,631,833,088.60/76,179.92
  6. Step 6: Final answer
    x = 47,674.41

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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.