Home / 84,638.74-116,770.20-50,648.02

Finding the Fourth Proportional to 84,638.74, 116,770.20 and 50,648.02

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Solution

The fourth proportional to 84,638.74, 116,770.20 and 50,648.02 is: 69,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,638.74 : 116,770.20 = 50,648.02 : x
  2. Step 2: Convert to fraction form
    84,638.74/116,770.20 = 50,648.02/x
  3. Step 3: Cross multiply
    84,638.74x = 116,770.20 × 50,648.02
  4. Step 4: Simplify right side
    84,638.74x = 5,914,179,425.00
  5. Step 5: Solve for x
    x = 5,914,179,425.00/84,638.74
  6. Step 6: Final answer
    x = 69,875.56

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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.