Home / 66,825.74-100,257-59,481.50

Finding the Fourth Proportional to 66,825.74, 100,257 and 59,481.50

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Solution

The fourth proportional to 66,825.74, 100,257 and 59,481.50 is: 89,238.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,825.74 : 100,257 = 59,481.50 : x
  2. Step 2: Convert to fraction form
    66,825.74/100,257 = 59,481.50/x
  3. Step 3: Cross multiply
    66,825.74x = 100,257 × 59,481.50
  4. Step 4: Simplify right side
    66,825.74x = 5,963,436,745.50
  5. Step 5: Solve for x
    x = 5,963,436,745.50/66,825.74
  6. Step 6: Final answer
    x = 89,238.62

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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.