Home / 45,538.68-68,310.45-14,371.50

Finding the Fourth Proportional to 45,538.68, 68,310.45 and 14,371.50

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Solution

The fourth proportional to 45,538.68, 68,310.45 and 14,371.50 is: 21,558.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,538.68 : 68,310.45 = 14,371.50 : x
  2. Step 2: Convert to fraction form
    45,538.68/68,310.45 = 14,371.50/x
  3. Step 3: Cross multiply
    45,538.68x = 68,310.45 × 14,371.50
  4. Step 4: Simplify right side
    45,538.68x = 981,723,632.18
  5. Step 5: Solve for x
    x = 981,723,632.18/45,538.68
  6. Step 6: Final answer
    x = 21,558.02

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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.