Home / 117,759.47-162,537.84-66,802.57

Finding the Fourth Proportional to 117,759.47, 162,537.84 and 66,802.57

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Solution

The fourth proportional to 117,759.47, 162,537.84 and 66,802.57 is: 92,204.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,759.47 : 162,537.84 = 66,802.57 : x
  2. Step 2: Convert to fraction form
    117,759.47/162,537.84 = 66,802.57/x
  3. Step 3: Cross multiply
    117,759.47x = 162,537.84 × 66,802.57
  4. Step 4: Simplify right side
    117,759.47x = 10,857,945,942.18
  5. Step 5: Solve for x
    x = 10,857,945,942.18/117,759.47
  6. Step 6: Final answer
    x = 92,204.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.