Home / 117,765.85-162,517.62-64,051.25

Finding the Fourth Proportional to 117,765.85, 162,517.62 and 64,051.25

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Solution

The fourth proportional to 117,765.85, 162,517.62 and 64,051.25 is: 88,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,765.85 : 162,517.62 = 64,051.25 : x
  2. Step 2: Convert to fraction form
    117,765.85/162,517.62 = 64,051.25/x
  3. Step 3: Cross multiply
    117,765.85x = 162,517.62 × 64,051.25
  4. Step 4: Simplify right side
    117,765.85x = 10,409,456,708.03
  5. Step 5: Solve for x
    x = 10,409,456,708.03/117,765.85
  6. Step 6: Final answer
    x = 88,391.13

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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.