Home / 122,942.34-184,420.89-38,705.22

Finding the Fourth Proportional to 122,942.34, 184,420.89 and 38,705.22

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Solution

The fourth proportional to 122,942.34, 184,420.89 and 38,705.22 is: 58,060.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,942.34 : 184,420.89 = 38,705.22 : x
  2. Step 2: Convert to fraction form
    122,942.34/184,420.89 = 38,705.22/x
  3. Step 3: Cross multiply
    122,942.34x = 184,420.89 × 38,705.22
  4. Step 4: Simplify right side
    122,942.34x = 7,138,051,120.05
  5. Step 5: Solve for x
    x = 7,138,051,120.05/122,942.34
  6. Step 6: Final answer
    x = 58,060.15

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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.