Home / 77,234.44-115,655.58-64,721.56

Finding the Fourth Proportional to 77,234.44, 115,655.58 and 64,721.56

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Solution

The fourth proportional to 77,234.44, 115,655.58 and 64,721.56 is: 96,918.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,234.44 : 115,655.58 = 64,721.56 : x
  2. Step 2: Convert to fraction form
    77,234.44/115,655.58 = 64,721.56/x
  3. Step 3: Cross multiply
    77,234.44x = 115,655.58 × 64,721.56
  4. Step 4: Simplify right side
    77,234.44x = 7,485,409,560.30
  5. Step 5: Solve for x
    x = 7,485,409,560.30/77,234.44
  6. Step 6: Final answer
    x = 96,918.03

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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.