Home / 76,076.87-114,125.68-31,693.23

Finding the Fourth Proportional to 76,076.87, 114,125.68 and 31,693.23

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Solution

The fourth proportional to 76,076.87, 114,125.68 and 31,693.23 is: 47,544.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,076.87 : 114,125.68 = 31,693.23 : x
  2. Step 2: Convert to fraction form
    76,076.87/114,125.68 = 31,693.23/x
  3. Step 3: Cross multiply
    76,076.87x = 114,125.68 × 31,693.23
  4. Step 4: Simplify right side
    76,076.87x = 3,617,011,425.15
  5. Step 5: Solve for x
    x = 3,617,011,425.15/76,076.87
  6. Step 6: Final answer
    x = 47,544.17

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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.