Home / 112,018.50-168,023.43-27,778.86

Finding the Fourth Proportional to 112,018.50, 168,023.43 and 27,778.86

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Solution

The fourth proportional to 112,018.50, 168,023.43 and 27,778.86 is: 41,667.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,018.50 : 168,023.43 = 27,778.86 : x
  2. Step 2: Convert to fraction form
    112,018.50/168,023.43 = 27,778.86/x
  3. Step 3: Cross multiply
    112,018.50x = 168,023.43 × 27,778.86
  4. Step 4: Simplify right side
    112,018.50x = 4,667,499,338.69
  5. Step 5: Solve for x
    x = 4,667,499,338.69/112,018.50
  6. Step 6: Final answer
    x = 41,667.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.