Home / 117,757.17-162,501.32-66,774.56

Finding the Fourth Proportional to 117,757.17, 162,501.32 and 66,774.56

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Solution

The fourth proportional to 117,757.17, 162,501.32 and 66,774.56 is: 92,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,757.17 : 162,501.32 = 66,774.56 : x
  2. Step 2: Convert to fraction form
    117,757.17/162,501.32 = 66,774.56/x
  3. Step 3: Cross multiply
    117,757.17x = 162,501.32 × 66,774.56
  4. Step 4: Simplify right side
    117,757.17x = 10,850,952,996.04
  5. Step 5: Solve for x
    x = 10,850,952,996.04/117,757.17
  6. Step 6: Final answer
    x = 92,146.86

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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.