Home / 67,779.33-101,649.55-26,216.61

Finding the Fourth Proportional to 67,779.33, 101,649.55 and 26,216.61

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Solution

The fourth proportional to 67,779.33, 101,649.55 and 26,216.61 is: 39,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,779.33 : 101,649.55 = 26,216.61 : x
  2. Step 2: Convert to fraction form
    67,779.33/101,649.55 = 26,216.61/x
  3. Step 3: Cross multiply
    67,779.33x = 101,649.55 × 26,216.61
  4. Step 4: Simplify right side
    67,779.33x = 2,664,906,609.03
  5. Step 5: Solve for x
    x = 2,664,906,609.03/67,779.33
  6. Step 6: Final answer
    x = 39,317.39

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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.