Home / 112,018.56-168,023.40-27,778.92

Finding the Fourth Proportional to 112,018.56, 168,023.40 and 27,778.92

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Solution

The fourth proportional to 112,018.56, 168,023.40 and 27,778.92 is: 41,667.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,018.56 : 168,023.40 = 27,778.92 : x
  2. Step 2: Convert to fraction form
    112,018.56/168,023.40 = 27,778.92/x
  3. Step 3: Cross multiply
    112,018.56x = 168,023.40 × 27,778.92
  4. Step 4: Simplify right side
    112,018.56x = 4,667,508,586.73
  5. Step 5: Solve for x
    x = 4,667,508,586.73/112,018.56
  6. Step 6: Final answer
    x = 41,667.28

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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.