Home / 76,764.26-115,096.88-32,379.10

Finding the Fourth Proportional to 76,764.26, 115,096.88 and 32,379.10

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Solution

The fourth proportional to 76,764.26, 115,096.88 and 32,379.10 is: 48,547.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,764.26 : 115,096.88 = 32,379.10 : x
  2. Step 2: Convert to fraction form
    76,764.26/115,096.88 = 32,379.10/x
  3. Step 3: Cross multiply
    76,764.26x = 115,096.88 × 32,379.10
  4. Step 4: Simplify right side
    76,764.26x = 3,726,733,180.41
  5. Step 5: Solve for x
    x = 3,726,733,180.41/76,764.26
  6. Step 6: Final answer
    x = 48,547.76

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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.