Home / 122,930.57-184,319.49-51,816.62

Finding the Fourth Proportional to 122,930.57, 184,319.49 and 51,816.62

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Solution

The fourth proportional to 122,930.57, 184,319.49 and 51,816.62 is: 77,692.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,930.57 : 184,319.49 = 51,816.62 : x
  2. Step 2: Convert to fraction form
    122,930.57/184,319.49 = 51,816.62/x
  3. Step 3: Cross multiply
    122,930.57x = 184,319.49 × 51,816.62
  4. Step 4: Simplify right side
    122,930.57x = 9,550,812,971.92
  5. Step 5: Solve for x
    x = 9,550,812,971.92/122,930.57
  6. Step 6: Final answer
    x = 77,692.74

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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.