Home / 68,151.17-102,270.50-33,071.69

Finding the Fourth Proportional to 68,151.17, 102,270.50 and 33,071.69

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Solution

The fourth proportional to 68,151.17, 102,270.50 and 33,071.69 is: 49,628.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,151.17 : 102,270.50 = 33,071.69 : x
  2. Step 2: Convert to fraction form
    68,151.17/102,270.50 = 33,071.69/x
  3. Step 3: Cross multiply
    68,151.17x = 102,270.50 × 33,071.69
  4. Step 4: Simplify right side
    68,151.17x = 3,382,258,272.15
  5. Step 5: Solve for x
    x = 3,382,258,272.15/68,151.17
  6. Step 6: Final answer
    x = 49,628.76

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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.