Home / 117,721.35-176,578.07-51,161.47

Finding the Fourth Proportional to 117,721.35, 176,578.07 and 51,161.47

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Solution

The fourth proportional to 117,721.35, 176,578.07 and 51,161.47 is: 76,740.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,721.35 : 176,578.07 = 51,161.47 : x
  2. Step 2: Convert to fraction form
    117,721.35/176,578.07 = 51,161.47/x
  3. Step 3: Cross multiply
    117,721.35x = 176,578.07 × 51,161.47
  4. Step 4: Simplify right side
    117,721.35x = 9,033,993,630.96
  5. Step 5: Solve for x
    x = 9,033,993,630.96/117,721.35
  6. Step 6: Final answer
    x = 76,740.49

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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.