Home / 71,068.14-106,589.39-18,474.39

Finding the Fourth Proportional to 71,068.14, 106,589.39 and 18,474.39

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Solution

The fourth proportional to 71,068.14, 106,589.39 and 18,474.39 is: 27,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,068.14 : 106,589.39 = 18,474.39 : x
  2. Step 2: Convert to fraction form
    71,068.14/106,589.39 = 18,474.39/x
  3. Step 3: Cross multiply
    71,068.14x = 106,589.39 × 18,474.39
  4. Step 4: Simplify right side
    71,068.14x = 1,969,173,868.35
  5. Step 5: Solve for x
    x = 1,969,173,868.35/71,068.14
  6. Step 6: Final answer
    x = 27,708.25

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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.