Home / 76,764.49-115,097.28-32,379.37

Finding the Fourth Proportional to 76,764.49, 115,097.28 and 32,379.37

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Solution

The fourth proportional to 76,764.49, 115,097.28 and 32,379.37 is: 48,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,764.49 : 115,097.28 = 32,379.37 : x
  2. Step 2: Convert to fraction form
    76,764.49/115,097.28 = 32,379.37/x
  3. Step 3: Cross multiply
    76,764.49x = 115,097.28 × 32,379.37
  4. Step 4: Simplify right side
    76,764.49x = 3,726,777,415.11
  5. Step 5: Solve for x
    x = 3,726,777,415.11/76,764.49
  6. Step 6: Final answer
    x = 48,548.19

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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.