Home / 75,751.26-104,540.31-42,217.50

Finding the Fourth Proportional to 75,751.26, 104,540.31 and 42,217.50

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Solution

The fourth proportional to 75,751.26, 104,540.31 and 42,217.50 is: 58,262.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,751.26 : 104,540.31 = 42,217.50 : x
  2. Step 2: Convert to fraction form
    75,751.26/104,540.31 = 42,217.50/x
  3. Step 3: Cross multiply
    75,751.26x = 104,540.31 × 42,217.50
  4. Step 4: Simplify right side
    75,751.26x = 4,413,430,537.43
  5. Step 5: Solve for x
    x = 4,413,430,537.43/75,751.26
  6. Step 6: Final answer
    x = 58,262.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.