Home / 122,764.48-184,145.98-31,579.74

Finding the Fourth Proportional to 122,764.48, 184,145.98 and 31,579.74

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Solution

The fourth proportional to 122,764.48, 184,145.98 and 31,579.74 is: 47,369.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,764.48 : 184,145.98 = 31,579.74 : x
  2. Step 2: Convert to fraction form
    122,764.48/184,145.98 = 31,579.74/x
  3. Step 3: Cross multiply
    122,764.48x = 184,145.98 × 31,579.74
  4. Step 4: Simplify right side
    122,764.48x = 5,815,282,170.45
  5. Step 5: Solve for x
    x = 5,815,282,170.45/122,764.48
  6. Step 6: Final answer
    x = 47,369.42

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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.