Home / 79,318.25-118,964.61-23,145.17

Finding the Fourth Proportional to 79,318.25, 118,964.61 and 23,145.17

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Solution

The fourth proportional to 79,318.25, 118,964.61 and 23,145.17 is: 34,714.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,318.25 : 118,964.61 = 23,145.17 : x
  2. Step 2: Convert to fraction form
    79,318.25/118,964.61 = 23,145.17/x
  3. Step 3: Cross multiply
    79,318.25x = 118,964.61 × 23,145.17
  4. Step 4: Simplify right side
    79,318.25x = 2,753,456,122.43
  5. Step 5: Solve for x
    x = 2,753,456,122.43/79,318.25
  6. Step 6: Final answer
    x = 34,714.03

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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.