Home / 79,311.56-118,983.74-26,725.14

Finding the Fourth Proportional to 79,311.56, 118,983.74 and 26,725.14

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Solution

The fourth proportional to 79,311.56, 118,983.74 and 26,725.14 is: 40,093.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,311.56 : 118,983.74 = 26,725.14 : x
  2. Step 2: Convert to fraction form
    79,311.56/118,983.74 = 26,725.14/x
  3. Step 3: Cross multiply
    79,311.56x = 118,983.74 × 26,725.14
  4. Step 4: Simplify right side
    79,311.56x = 3,179,856,975.60
  5. Step 5: Solve for x
    x = 3,179,856,975.60/79,311.56
  6. Step 6: Final answer
    x = 40,093.24

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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.