Home / 73,207.20-109,592.10-43,609.80

Finding the Fourth Proportional to 73,207.20, 109,592.10 and 43,609.80

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Solution

The fourth proportional to 73,207.20, 109,592.10 and 43,609.80 is: 65,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,207.20 : 109,592.10 = 43,609.80 : x
  2. Step 2: Convert to fraction form
    73,207.20/109,592.10 = 43,609.80/x
  3. Step 3: Cross multiply
    73,207.20x = 109,592.10 × 43,609.80
  4. Step 4: Simplify right side
    73,207.20x = 4,779,289,562.58
  5. Step 5: Solve for x
    x = 4,779,289,562.58/73,207.20
  6. Step 6: Final answer
    x = 65,284.42

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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.