Home / 68,185.47-102,292.07-28,742.52

Finding the Fourth Proportional to 68,185.47, 102,292.07 and 28,742.52

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Solution

The fourth proportional to 68,185.47, 102,292.07 and 28,742.52 is: 43,119.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,185.47 : 102,292.07 = 28,742.52 : x
  2. Step 2: Convert to fraction form
    68,185.47/102,292.07 = 28,742.52/x
  3. Step 3: Cross multiply
    68,185.47x = 102,292.07 × 28,742.52
  4. Step 4: Simplify right side
    68,185.47x = 2,940,131,867.82
  5. Step 5: Solve for x
    x = 2,940,131,867.82/68,185.47
  6. Step 6: Final answer
    x = 43,119.62

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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.