Home / 45,505.94-68,262.14-14,340.38

Finding the Fourth Proportional to 45,505.94, 68,262.14 and 14,340.38

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Solution

The fourth proportional to 45,505.94, 68,262.14 and 14,340.38 is: 21,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,505.94 : 68,262.14 = 14,340.38 : x
  2. Step 2: Convert to fraction form
    45,505.94/68,262.14 = 14,340.38/x
  3. Step 3: Cross multiply
    45,505.94x = 68,262.14 × 14,340.38
  4. Step 4: Simplify right side
    45,505.94x = 978,904,721.75
  5. Step 5: Solve for x
    x = 978,904,721.75/45,505.94
  6. Step 6: Final answer
    x = 21,511.58

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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.