Home / 77,951.22-116,972.96-32,970.04

Finding the Fourth Proportional to 77,951.22, 116,972.96 and 32,970.04

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Solution

The fourth proportional to 77,951.22, 116,972.96 and 32,970.04 is: 49,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,951.22 : 116,972.96 = 32,970.04 : x
  2. Step 2: Convert to fraction form
    77,951.22/116,972.96 = 32,970.04/x
  3. Step 3: Cross multiply
    77,951.22x = 116,972.96 × 32,970.04
  4. Step 4: Simplify right side
    77,951.22x = 3,856,603,170.12
  5. Step 5: Solve for x
    x = 3,856,603,170.12/77,951.22
  6. Step 6: Final answer
    x = 49,474.57

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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.