Home / 45,217.31-67,771.55-16,731.53

Finding the Fourth Proportional to 45,217.31, 67,771.55 and 16,731.53

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Solution

The fourth proportional to 45,217.31, 67,771.55 and 16,731.53 is: 25,077.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,217.31 : 67,771.55 = 16,731.53 : x
  2. Step 2: Convert to fraction form
    45,217.31/67,771.55 = 16,731.53/x
  3. Step 3: Cross multiply
    45,217.31x = 67,771.55 × 16,731.53
  4. Step 4: Simplify right side
    45,217.31x = 1,133,921,679.09
  5. Step 5: Solve for x
    x = 1,133,921,679.09/45,217.31
  6. Step 6: Final answer
    x = 25,077.16

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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.