Home / 45,814.11-68,731.92-14,222.55

Finding the Fourth Proportional to 45,814.11, 68,731.92 and 14,222.55

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Solution

The fourth proportional to 45,814.11, 68,731.92 and 14,222.55 is: 21,337.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,814.11 : 68,731.92 = 14,222.55 : x
  2. Step 2: Convert to fraction form
    45,814.11/68,731.92 = 14,222.55/x
  3. Step 3: Cross multiply
    45,814.11x = 68,731.92 × 14,222.55
  4. Step 4: Simplify right side
    45,814.11x = 977,543,426.54
  5. Step 5: Solve for x
    x = 977,543,426.54/45,814.11
  6. Step 6: Final answer
    x = 21,337.17

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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.