Home / 51,791.50-77,688.92-14,351.94

Finding the Fourth Proportional to 51,791.50, 77,688.92 and 14,351.94

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Solution

The fourth proportional to 51,791.50, 77,688.92 and 14,351.94 is: 21,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,791.50 : 77,688.92 = 14,351.94 : x
  2. Step 2: Convert to fraction form
    51,791.50/77,688.92 = 14,351.94/x
  3. Step 3: Cross multiply
    51,791.50x = 77,688.92 × 14,351.94
  4. Step 4: Simplify right side
    51,791.50x = 1,114,986,718.50
  5. Step 5: Solve for x
    x = 1,114,986,718.50/51,791.50
  6. Step 6: Final answer
    x = 21,528.37

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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.