Home / 120,771.12-166,669.34-67,056.13

Finding the Fourth Proportional to 120,771.12, 166,669.34 and 67,056.13

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Solution

The fourth proportional to 120,771.12, 166,669.34 and 67,056.13 is: 92,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,771.12 : 166,669.34 = 67,056.13 : x
  2. Step 2: Convert to fraction form
    120,771.12/166,669.34 = 67,056.13/x
  3. Step 3: Cross multiply
    120,771.12x = 166,669.34 × 67,056.13
  4. Step 4: Simplify right side
    120,771.12x = 11,176,200,930.05
  5. Step 5: Solve for x
    x = 11,176,200,930.05/120,771.12
  6. Step 6: Final answer
    x = 92,540.34

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1.5x scale

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.