Home / 84,390.23-116,470.10-50,849.75

Finding the Fourth Proportional to 84,390.23, 116,470.10 and 50,849.75

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Solution

The fourth proportional to 84,390.23, 116,470.10 and 50,849.75 is: 70,179.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,390.23 : 116,470.10 = 50,849.75 : x
  2. Step 2: Convert to fraction form
    84,390.23/116,470.10 = 50,849.75/x
  3. Step 3: Cross multiply
    84,390.23x = 116,470.10 × 50,849.75
  4. Step 4: Simplify right side
    84,390.23x = 5,922,475,213.23
  5. Step 5: Solve for x
    x = 5,922,475,213.23/84,390.23
  6. Step 6: Final answer
    x = 70,179.63

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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.