Home / 71,114.24-106,671.32-18,523.60

Finding the Fourth Proportional to 71,114.24, 106,671.32 and 18,523.60

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Solution

The fourth proportional to 71,114.24, 106,671.32 and 18,523.60 is: 27,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,114.24 : 106,671.32 = 18,523.60 : x
  2. Step 2: Convert to fraction form
    71,114.24/106,671.32 = 18,523.60/x
  3. Step 3: Cross multiply
    71,114.24x = 106,671.32 × 18,523.60
  4. Step 4: Simplify right side
    71,114.24x = 1,975,936,863.15
  5. Step 5: Solve for x
    x = 1,975,936,863.15/71,114.24
  6. Step 6: Final answer
    x = 27,785.39

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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.