Home / 135,624.82-203,409.42-51,355.92

Finding the Fourth Proportional to 135,624.82, 203,409.42 and 51,355.92

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Solution

The fourth proportional to 135,624.82, 203,409.42 and 51,355.92 is: 77,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,624.82 : 203,409.42 = 51,355.92 : x
  2. Step 2: Convert to fraction form
    135,624.82/203,409.42 = 51,355.92/x
  3. Step 3: Cross multiply
    135,624.82x = 203,409.42 × 51,355.92
  4. Step 4: Simplify right side
    135,624.82x = 10,446,277,900.77
  5. Step 5: Solve for x
    x = 10,446,277,900.77/135,624.82
  6. Step 6: Final answer
    x = 77,023.35

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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.