Home / 82,861.74-114,345.97-50,650.29

Finding the Fourth Proportional to 82,861.74, 114,345.97 and 50,650.29

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Solution

The fourth proportional to 82,861.74, 114,345.97 and 50,650.29 is: 69,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,861.74 : 114,345.97 = 50,650.29 : x
  2. Step 2: Convert to fraction form
    82,861.74/114,345.97 = 50,650.29/x
  3. Step 3: Cross multiply
    82,861.74x = 114,345.97 × 50,650.29
  4. Step 4: Simplify right side
    82,861.74x = 5,791,656,699.11
  5. Step 5: Solve for x
    x = 5,791,656,699.11/82,861.74
  6. Step 6: Final answer
    x = 69,895.42

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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.