Home / 84,847.29-117,082.43-49,039.62

Finding the Fourth Proportional to 84,847.29, 117,082.43 and 49,039.62

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Solution

The fourth proportional to 84,847.29, 117,082.43 and 49,039.62 is: 67,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,847.29 : 117,082.43 = 49,039.62 : x
  2. Step 2: Convert to fraction form
    84,847.29/117,082.43 = 49,039.62/x
  3. Step 3: Cross multiply
    84,847.29x = 117,082.43 × 49,039.62
  4. Step 4: Simplify right side
    84,847.29x = 5,741,677,045.27
  5. Step 5: Solve for x
    x = 5,741,677,045.27/84,847.29
  6. Step 6: Final answer
    x = 67,670.72

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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.