Home / 120,947.34-166,899.44-67,230.37

Finding the Fourth Proportional to 120,947.34, 166,899.44 and 67,230.37

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Solution

The fourth proportional to 120,947.34, 166,899.44 and 67,230.37 is: 92,773.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,947.34 : 166,899.44 = 67,230.37 : x
  2. Step 2: Convert to fraction form
    120,947.34/166,899.44 = 67,230.37/x
  3. Step 3: Cross multiply
    120,947.34x = 166,899.44 × 67,230.37
  4. Step 4: Simplify right side
    120,947.34x = 11,220,711,102.52
  5. Step 5: Solve for x
    x = 11,220,711,102.52/120,947.34
  6. Step 6: Final answer
    x = 92,773.52

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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.