Home / 82,887.13-114,381.15-50,675.71

Finding the Fourth Proportional to 82,887.13, 114,381.15 and 50,675.71

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Solution

The fourth proportional to 82,887.13, 114,381.15 and 50,675.71 is: 69,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,887.13 : 114,381.15 = 50,675.71 : x
  2. Step 2: Convert to fraction form
    82,887.13/114,381.15 = 50,675.71/x
  3. Step 3: Cross multiply
    82,887.13x = 114,381.15 × 50,675.71
  4. Step 4: Simplify right side
    82,887.13x = 5,796,345,986.87
  5. Step 5: Solve for x
    x = 5,796,345,986.87/82,887.13
  6. Step 6: Final answer
    x = 69,930.59

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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.