Home / 117,932.96-162,741.94-64,217.81

Finding the Fourth Proportional to 117,932.96, 162,741.94 and 64,217.81

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Solution

The fourth proportional to 117,932.96, 162,741.94 and 64,217.81 is: 88,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,932.96 : 162,741.94 = 64,217.81 : x
  2. Step 2: Convert to fraction form
    117,932.96/162,741.94 = 64,217.81/x
  3. Step 3: Cross multiply
    117,932.96x = 162,741.94 × 64,217.81
  4. Step 4: Simplify right side
    117,932.96x = 10,450,930,981.95
  5. Step 5: Solve for x
    x = 10,450,930,981.95/117,932.96
  6. Step 6: Final answer
    x = 88,617.56

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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.