Home / 79,827.12-119,741.22-35,441.82

Finding the Fourth Proportional to 79,827.12, 119,741.22 and 35,441.82

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Solution

The fourth proportional to 79,827.12, 119,741.22 and 35,441.82 is: 53,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,827.12 : 119,741.22 = 35,441.82 : x
  2. Step 2: Convert to fraction form
    79,827.12/119,741.22 = 35,441.82/x
  3. Step 3: Cross multiply
    79,827.12x = 119,741.22 × 35,441.82
  4. Step 4: Simplify right side
    79,827.12x = 4,243,846,765.82
  5. Step 5: Solve for x
    x = 4,243,846,765.82/79,827.12
  6. Step 6: Final answer
    x = 53,162.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.