Home / 51,760.09-77,621.04-18,471.25

Finding the Fourth Proportional to 51,760.09, 77,621.04 and 18,471.25

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Solution

The fourth proportional to 51,760.09, 77,621.04 and 18,471.25 is: 27,700.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,760.09 : 77,621.04 = 18,471.25 : x
  2. Step 2: Convert to fraction form
    51,760.09/77,621.04 = 18,471.25/x
  3. Step 3: Cross multiply
    51,760.09x = 77,621.04 × 18,471.25
  4. Step 4: Simplify right side
    51,760.09x = 1,433,757,635.10
  5. Step 5: Solve for x
    x = 1,433,757,635.10/51,760.09
  6. Step 6: Final answer
    x = 27,700.06

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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.