Home / 120,811.45-166,720.19-67,096.46

Finding the Fourth Proportional to 120,811.45, 166,720.19 and 67,096.46

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Solution

The fourth proportional to 120,811.45, 166,720.19 and 67,096.46 is: 92,593.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,811.45 : 166,720.19 = 67,096.46 : x
  2. Step 2: Convert to fraction form
    120,811.45/166,720.19 = 67,096.46/x
  3. Step 3: Cross multiply
    120,811.45x = 166,720.19 × 67,096.46
  4. Step 4: Simplify right side
    120,811.45x = 11,186,334,559.53
  5. Step 5: Solve for x
    x = 11,186,334,559.53/120,811.45
  6. Step 6: Final answer
    x = 92,593.33

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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.