Home / 77,273.80-115,932.30-37,832.20

Finding the Fourth Proportional to 77,273.80, 115,932.30 and 37,832.20

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Solution

The fourth proportional to 77,273.80, 115,932.30 and 37,832.20 is: 56,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,273.80 : 115,932.30 = 37,832.20 : x
  2. Step 2: Convert to fraction form
    77,273.80/115,932.30 = 37,832.20/x
  3. Step 3: Cross multiply
    77,273.80x = 115,932.30 × 37,832.20
  4. Step 4: Simplify right side
    77,273.80x = 4,385,973,960.06
  5. Step 5: Solve for x
    x = 4,385,973,960.06/77,273.80
  6. Step 6: Final answer
    x = 56,758.88

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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.