Home / 43,211.65-64,791.56-16,885.03

Finding the Fourth Proportional to 43,211.65, 64,791.56 and 16,885.03

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Solution

The fourth proportional to 43,211.65, 64,791.56 and 16,885.03 is: 25,317.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,211.65 : 64,791.56 = 16,885.03 : x
  2. Step 2: Convert to fraction form
    43,211.65/64,791.56 = 16,885.03/x
  3. Step 3: Cross multiply
    43,211.65x = 64,791.56 × 16,885.03
  4. Step 4: Simplify right side
    43,211.65x = 1,094,007,349.92
  5. Step 5: Solve for x
    x = 1,094,007,349.92/43,211.65
  6. Step 6: Final answer
    x = 25,317.42

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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.