Home / 68,050.38-102,098.96-30,636.69

Finding the Fourth Proportional to 68,050.38, 102,098.96 and 30,636.69

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Solution

The fourth proportional to 68,050.38, 102,098.96 and 30,636.69 is: 45,965.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,050.38 : 102,098.96 = 30,636.69 : x
  2. Step 2: Convert to fraction form
    68,050.38/102,098.96 = 30,636.69/x
  3. Step 3: Cross multiply
    68,050.38x = 102,098.96 × 30,636.69
  4. Step 4: Simplify right side
    68,050.38x = 3,127,974,186.84
  5. Step 5: Solve for x
    x = 3,127,974,186.84/68,050.38
  6. Step 6: Final answer
    x = 45,965.57

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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.