Home / 117,717.09-176,571.70-51,157.22

Finding the Fourth Proportional to 117,717.09, 176,571.70 and 51,157.22

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Solution

The fourth proportional to 117,717.09, 176,571.70 and 51,157.22 is: 76,734.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,717.09 : 176,571.70 = 51,157.22 : x
  2. Step 2: Convert to fraction form
    117,717.09/176,571.70 = 51,157.22/x
  3. Step 3: Cross multiply
    117,717.09x = 176,571.70 × 51,157.22
  4. Step 4: Simplify right side
    117,717.09x = 9,032,916,884.40
  5. Step 5: Solve for x
    x = 9,032,916,884.40/117,717.09
  6. Step 6: Final answer
    x = 76,734.12

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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.