Home / 74,104.31-111,173.09-34,639.89

Finding the Fourth Proportional to 74,104.31, 111,173.09 and 34,639.89

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Solution

The fourth proportional to 74,104.31, 111,173.09 and 34,639.89 is: 51,967.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,104.31 : 111,173.09 = 34,639.89 : x
  2. Step 2: Convert to fraction form
    74,104.31/111,173.09 = 34,639.89/x
  3. Step 3: Cross multiply
    74,104.31x = 111,173.09 × 34,639.89
  4. Step 4: Simplify right side
    74,104.31x = 3,851,023,608.56
  5. Step 5: Solve for x
    x = 3,851,023,608.56/74,104.31
  6. Step 6: Final answer
    x = 51,967.61

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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.