Home / 123,749.50-170,774.38-67,160.86

Finding the Fourth Proportional to 123,749.50, 170,774.38 and 67,160.86

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Solution

The fourth proportional to 123,749.50, 170,774.38 and 67,160.86 is: 92,682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,749.50 : 170,774.38 = 67,160.86 : x
  2. Step 2: Convert to fraction form
    123,749.50/170,774.38 = 67,160.86/x
  3. Step 3: Cross multiply
    123,749.50x = 170,774.38 × 67,160.86
  4. Step 4: Simplify right side
    123,749.50x = 11,469,354,226.77
  5. Step 5: Solve for x
    x = 11,469,354,226.77/123,749.50
  6. Step 6: Final answer
    x = 92,682.02

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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.