Home / 79,311.19-118,997.93-34,906.80

Finding the Fourth Proportional to 79,311.19, 118,997.93 and 34,906.80

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Solution

The fourth proportional to 79,311.19, 118,997.93 and 34,906.80 is: 52,373.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,311.19 : 118,997.93 = 34,906.80 : x
  2. Step 2: Convert to fraction form
    79,311.19/118,997.93 = 34,906.80/x
  3. Step 3: Cross multiply
    79,311.19x = 118,997.93 × 34,906.80
  4. Step 4: Simplify right side
    79,311.19x = 4,153,836,942.92
  5. Step 5: Solve for x
    x = 4,153,836,942.92/79,311.19
  6. Step 6: Final answer
    x = 52,373.91

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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.