Home / 82,989.23-114,535.42-50,717.21

Finding the Fourth Proportional to 82,989.23, 114,535.42 and 50,717.21

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Solution

The fourth proportional to 82,989.23, 114,535.42 and 50,717.21 is: 69,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,989.23 : 114,535.42 = 50,717.21 : x
  2. Step 2: Convert to fraction form
    82,989.23/114,535.42 = 50,717.21/x
  3. Step 3: Cross multiply
    82,989.23x = 114,535.42 × 50,717.21
  4. Step 4: Simplify right side
    82,989.23x = 5,808,916,249.11
  5. Step 5: Solve for x
    x = 5,808,916,249.11/82,989.23
  6. Step 6: Final answer
    x = 69,996.03

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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.