Home / 45,917.31-68,882.54-14,330.21

Finding the Fourth Proportional to 45,917.31, 68,882.54 and 14,330.21

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Solution

The fourth proportional to 45,917.31, 68,882.54 and 14,330.21 is: 21,497.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,917.31 : 68,882.54 = 14,330.21 : x
  2. Step 2: Convert to fraction form
    45,917.31/68,882.54 = 14,330.21/x
  3. Step 3: Cross multiply
    45,917.31x = 68,882.54 × 14,330.21
  4. Step 4: Simplify right side
    45,917.31x = 987,100,847.47
  5. Step 5: Solve for x
    x = 987,100,847.47/45,917.31
  6. Step 6: Final answer
    x = 21,497.36

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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.