Home / 51,612.27-77,410.12-14,163.60

Finding the Fourth Proportional to 51,612.27, 77,410.12 and 14,163.60

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Solution

The fourth proportional to 51,612.27, 77,410.12 and 14,163.60 is: 21,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,612.27 : 77,410.12 = 14,163.60 : x
  2. Step 2: Convert to fraction form
    51,612.27/77,410.12 = 14,163.60/x
  3. Step 3: Cross multiply
    51,612.27x = 77,410.12 × 14,163.60
  4. Step 4: Simplify right side
    51,612.27x = 1,096,405,975.63
  5. Step 5: Solve for x
    x = 1,096,405,975.63/51,612.27
  6. Step 6: Final answer
    x = 21,243.13

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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.