Home / 51,791.16-77,688.46-14,351.61

Finding the Fourth Proportional to 51,791.16, 77,688.46 and 14,351.61

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Solution

The fourth proportional to 51,791.16, 77,688.46 and 14,351.61 is: 21,527.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,791.16 : 77,688.46 = 14,351.61 : x
  2. Step 2: Convert to fraction form
    51,791.16/77,688.46 = 14,351.61/x
  3. Step 3: Cross multiply
    51,791.16x = 77,688.46 × 14,351.61
  4. Step 4: Simplify right side
    51,791.16x = 1,114,954,479.42
  5. Step 5: Solve for x
    x = 1,114,954,479.42/51,791.16
  6. Step 6: Final answer
    x = 21,527.89

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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.