Home / 52,639.11-78,905.46-22,672.89

Finding the Fourth Proportional to 52,639.11, 78,905.46 and 22,672.89

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Solution

The fourth proportional to 52,639.11, 78,905.46 and 22,672.89 is: 33,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,639.11 : 78,905.46 = 22,672.89 : x
  2. Step 2: Convert to fraction form
    52,639.11/78,905.46 = 22,672.89/x
  3. Step 3: Cross multiply
    52,639.11x = 78,905.46 × 22,672.89
  4. Step 4: Simplify right side
    52,639.11x = 1,789,014,814.98
  5. Step 5: Solve for x
    x = 1,789,014,814.98/52,639.11
  6. Step 6: Final answer
    x = 33,986.42

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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.