Home / 117,942.63-162,750.57-66,957.51

Finding the Fourth Proportional to 117,942.63, 162,750.57 and 66,957.51

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Solution

The fourth proportional to 117,942.63, 162,750.57 and 66,957.51 is: 92,395.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,942.63 : 162,750.57 = 66,957.51 : x
  2. Step 2: Convert to fraction form
    117,942.63/162,750.57 = 66,957.51/x
  3. Step 3: Cross multiply
    117,942.63x = 162,750.57 × 66,957.51
  4. Step 4: Simplify right side
    117,942.63x = 10,897,372,918.28
  5. Step 5: Solve for x
    x = 10,897,372,918.28/117,942.63
  6. Step 6: Final answer
    x = 92,395.54

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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.