Home / 117,727.64-176,587.49-51,167.78

Finding the Fourth Proportional to 117,727.64, 176,587.49 and 51,167.78

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Solution

The fourth proportional to 117,727.64, 176,587.49 and 51,167.78 is: 76,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,727.64 : 176,587.49 = 51,167.78 : x
  2. Step 2: Convert to fraction form
    117,727.64/176,587.49 = 51,167.78/x
  3. Step 3: Cross multiply
    117,727.64x = 176,587.49 × 51,167.78
  4. Step 4: Simplify right side
    117,727.64x = 9,035,589,839.07
  5. Step 5: Solve for x
    x = 9,035,589,839.07/117,727.64
  6. Step 6: Final answer
    x = 76,749.94

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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.