Home / 76,619.27-114,855.01-39,196.96

Finding the Fourth Proportional to 76,619.27, 114,855.01 and 39,196.96

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Solution

The fourth proportional to 76,619.27, 114,855.01 and 39,196.96 is: 58,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,619.27 : 114,855.01 = 39,196.96 : x
  2. Step 2: Convert to fraction form
    76,619.27/114,855.01 = 39,196.96/x
  3. Step 3: Cross multiply
    76,619.27x = 114,855.01 × 39,196.96
  4. Step 4: Simplify right side
    76,619.27x = 4,501,967,714.18
  5. Step 5: Solve for x
    x = 4,501,967,714.18/76,619.27
  6. Step 6: Final answer
    x = 58,757.65

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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.