Home / 69,779.26-104,669.30-17,188.39

Finding the Fourth Proportional to 69,779.26, 104,669.30 and 17,188.39

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Solution

The fourth proportional to 69,779.26, 104,669.30 and 17,188.39 is: 25,782.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,779.26 : 104,669.30 = 17,188.39 : x
  2. Step 2: Convert to fraction form
    69,779.26/104,669.30 = 17,188.39/x
  3. Step 3: Cross multiply
    69,779.26x = 104,669.30 × 17,188.39
  4. Step 4: Simplify right side
    69,779.26x = 1,799,096,749.43
  5. Step 5: Solve for x
    x = 1,799,096,749.43/69,779.26
  6. Step 6: Final answer
    x = 25,782.69

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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.