Home / 117,765.12-162,517.05-64,051.38

Finding the Fourth Proportional to 117,765.12, 162,517.05 and 64,051.38

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Solution

The fourth proportional to 117,765.12, 162,517.05 and 64,051.38 is: 88,391.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,765.12 : 162,517.05 = 64,051.38 : x
  2. Step 2: Convert to fraction form
    117,765.12/162,517.05 = 64,051.38/x
  3. Step 3: Cross multiply
    117,765.12x = 162,517.05 × 64,051.38
  4. Step 4: Simplify right side
    117,765.12x = 10,409,441,326.03
  5. Step 5: Solve for x
    x = 10,409,441,326.03/117,765.12
  6. Step 6: Final answer
    x = 88,391.55

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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.