Home / 76,731.72-115,067.34-37,277.16

Finding the Fourth Proportional to 76,731.72, 115,067.34 and 37,277.16

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Solution

The fourth proportional to 76,731.72, 115,067.34 and 37,277.16 is: 55,901.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,731.72 : 115,067.34 = 37,277.16 : x
  2. Step 2: Convert to fraction form
    76,731.72/115,067.34 = 37,277.16/x
  3. Step 3: Cross multiply
    76,731.72x = 115,067.34 × 37,277.16
  4. Step 4: Simplify right side
    76,731.72x = 4,289,383,643.95
  5. Step 5: Solve for x
    x = 4,289,383,643.95/76,731.72
  6. Step 6: Final answer
    x = 55,901.05

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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.