Home / 76,933.91-115,422.06-27,007.42

Finding the Fourth Proportional to 76,933.91, 115,422.06 and 27,007.42

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Solution

The fourth proportional to 76,933.91, 115,422.06 and 27,007.42 is: 40,518.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,933.91 : 115,422.06 = 27,007.42 : x
  2. Step 2: Convert to fraction form
    76,933.91/115,422.06 = 27,007.42/x
  3. Step 3: Cross multiply
    76,933.91x = 115,422.06 × 27,007.42
  4. Step 4: Simplify right side
    76,933.91x = 3,117,252,051.69
  5. Step 5: Solve for x
    x = 3,117,252,051.69/76,933.91
  6. Step 6: Final answer
    x = 40,518.57

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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.