Home / 117,743.28-162,437.79-66,745.23

Finding the Fourth Proportional to 117,743.28, 162,437.79 and 66,745.23

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Solution

The fourth proportional to 117,743.28, 162,437.79 and 66,745.23 is: 92,081.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,743.28 : 162,437.79 = 66,745.23 : x
  2. Step 2: Convert to fraction form
    117,743.28/162,437.79 = 66,745.23/x
  3. Step 3: Cross multiply
    117,743.28x = 162,437.79 × 66,745.23
  4. Step 4: Simplify right side
    117,743.28x = 10,841,947,654.24
  5. Step 5: Solve for x
    x = 10,841,947,654.24/117,743.28
  6. Step 6: Final answer
    x = 92,081.24

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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.