Home / 120,749.38-166,625.79-67,030.15

Finding the Fourth Proportional to 120,749.38, 166,625.79 and 67,030.15

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Solution

The fourth proportional to 120,749.38, 166,625.79 and 67,030.15 is: 92,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,749.38 : 166,625.79 = 67,030.15 : x
  2. Step 2: Convert to fraction form
    120,749.38/166,625.79 = 67,030.15/x
  3. Step 3: Cross multiply
    120,749.38x = 166,625.79 × 67,030.15
  4. Step 4: Simplify right side
    120,749.38x = 11,168,951,697.57
  5. Step 5: Solve for x
    x = 11,168,951,697.57/120,749.38
  6. Step 6: Final answer
    x = 92,496.97

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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.