Home / 67,814.20-101,719.70-18,566.20

Finding the Fourth Proportional to 67,814.20, 101,719.70 and 18,566.20

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Solution

The fourth proportional to 67,814.20, 101,719.70 and 18,566.20 is: 27,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,814.20 : 101,719.70 = 18,566.20 : x
  2. Step 2: Convert to fraction form
    67,814.20/101,719.70 = 18,566.20/x
  3. Step 3: Cross multiply
    67,814.20x = 101,719.70 × 18,566.20
  4. Step 4: Simplify right side
    67,814.20x = 1,888,548,294.14
  5. Step 5: Solve for x
    x = 1,888,548,294.14/67,814.20
  6. Step 6: Final answer
    x = 27,848.86

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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.