Home / 123,134.73-184,712.58-38,872.35

Finding the Fourth Proportional to 123,134.73, 184,712.58 and 38,872.35

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Solution

The fourth proportional to 123,134.73, 184,712.58 and 38,872.35 is: 58,311.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,134.73 : 184,712.58 = 38,872.35 : x
  2. Step 2: Convert to fraction form
    123,134.73/184,712.58 = 38,872.35/x
  3. Step 3: Cross multiply
    123,134.73x = 184,712.58 × 38,872.35
  4. Step 4: Simplify right side
    123,134.73x = 7,180,212,059.16
  5. Step 5: Solve for x
    x = 7,180,212,059.16/123,134.73
  6. Step 6: Final answer
    x = 58,311.84

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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.