Home / 68,782.12-103,196.26-26,663.58

Finding the Fourth Proportional to 68,782.12, 103,196.26 and 26,663.58

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Solution

The fourth proportional to 68,782.12, 103,196.26 and 26,663.58 is: 40,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,782.12 : 103,196.26 = 26,663.58 : x
  2. Step 2: Convert to fraction form
    68,782.12/103,196.26 = 26,663.58/x
  3. Step 3: Cross multiply
    68,782.12x = 103,196.26 × 26,663.58
  4. Step 4: Simplify right side
    68,782.12x = 2,751,581,542.88
  5. Step 5: Solve for x
    x = 2,751,581,542.88/68,782.12
  6. Step 6: Final answer
    x = 40,004.31

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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.