Home / 117,755.44-162,501.71-64,040.31

Finding the Fourth Proportional to 117,755.44, 162,501.71 and 64,040.31

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Solution

The fourth proportional to 117,755.44, 162,501.71 and 64,040.31 is: 88,375.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,755.44 : 162,501.71 = 64,040.31 : x
  2. Step 2: Convert to fraction form
    117,755.44/162,501.71 = 64,040.31/x
  3. Step 3: Cross multiply
    117,755.44x = 162,501.71 × 64,040.31
  4. Step 4: Simplify right side
    117,755.44x = 10,406,659,563.73
  5. Step 5: Solve for x
    x = 10,406,659,563.73/117,755.44
  6. Step 6: Final answer
    x = 88,375.19

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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.