Home / 120,826.04-166,735.30-67,114.49

Finding the Fourth Proportional to 120,826.04, 166,735.30 and 67,114.49

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Solution

The fourth proportional to 120,826.04, 166,735.30 and 67,114.49 is: 92,615.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,826.04 : 166,735.30 = 67,114.49 : x
  2. Step 2: Convert to fraction form
    120,826.04/166,735.30 = 67,114.49/x
  3. Step 3: Cross multiply
    120,826.04x = 166,735.30 × 67,114.49
  4. Step 4: Simplify right side
    120,826.04x = 11,190,354,624.50
  5. Step 5: Solve for x
    x = 11,190,354,624.50/120,826.04
  6. Step 6: Final answer
    x = 92,615.42

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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.