Home / 114,764.20-172,139.62-51,568

Finding the Fourth Proportional to 114,764.20, 172,139.62 and 51,568

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Solution

The fourth proportional to 114,764.20, 172,139.62 and 51,568 is: 77,349.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,764.20 : 172,139.62 = 51,568 : x
  2. Step 2: Convert to fraction form
    114,764.20/172,139.62 = 51,568/x
  3. Step 3: Cross multiply
    114,764.20x = 172,139.62 × 51,568
  4. Step 4: Simplify right side
    114,764.20x = 8,876,895,924.16
  5. Step 5: Solve for x
    x = 8,876,895,924.16/114,764.20
  6. Step 6: Final answer
    x = 77,349.00

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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.