Home / 84,243.75-116,161.61-68,882.37

Finding the Fourth Proportional to 84,243.75, 116,161.61 and 68,882.37

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Solution

The fourth proportional to 84,243.75, 116,161.61 and 68,882.37 is: 94,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,243.75 : 116,161.61 = 68,882.37 : x
  2. Step 2: Convert to fraction form
    84,243.75/116,161.61 = 68,882.37/x
  3. Step 3: Cross multiply
    84,243.75x = 116,161.61 × 68,882.37
  4. Step 4: Simplify right side
    84,243.75x = 8,001,486,655.40
  5. Step 5: Solve for x
    x = 8,001,486,655.40/84,243.75
  6. Step 6: Final answer
    x = 94,980.18

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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.