Home / 79,845.64-119,779.40-27,241

Finding the Fourth Proportional to 79,845.64, 119,779.40 and 27,241

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Solution

The fourth proportional to 79,845.64, 119,779.40 and 27,241 is: 40,865.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,845.64 : 119,779.40 = 27,241 : x
  2. Step 2: Convert to fraction form
    79,845.64/119,779.40 = 27,241/x
  3. Step 3: Cross multiply
    79,845.64x = 119,779.40 × 27,241
  4. Step 4: Simplify right side
    79,845.64x = 3,262,910,499.20
  5. Step 5: Solve for x
    x = 3,262,910,499.20/79,845.64
  6. Step 6: Final answer
    x = 40,865.23

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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.