Home / 76,491.68-114,758.28-23,181.50

Finding the Fourth Proportional to 76,491.68, 114,758.28 and 23,181.50

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Solution

The fourth proportional to 76,491.68, 114,758.28 and 23,181.50 is: 34,778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,491.68 : 114,758.28 = 23,181.50 : x
  2. Step 2: Convert to fraction form
    76,491.68/114,758.28 = 23,181.50/x
  3. Step 3: Cross multiply
    76,491.68x = 114,758.28 × 23,181.50
  4. Step 4: Simplify right side
    76,491.68x = 2,660,269,419.91
  5. Step 5: Solve for x
    x = 2,660,269,419.91/76,491.68
  6. Step 6: Final answer
    x = 34,778.55

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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.