Home / 122,628.33-184,012.38-47,738.79

Finding the Fourth Proportional to 122,628.33, 184,012.38 and 47,738.79

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Solution

The fourth proportional to 122,628.33, 184,012.38 and 47,738.79 is: 71,635.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,628.33 : 184,012.38 = 47,738.79 : x
  2. Step 2: Convert to fraction form
    122,628.33/184,012.38 = 47,738.79/x
  3. Step 3: Cross multiply
    122,628.33x = 184,012.38 × 47,738.79
  4. Step 4: Simplify right side
    122,628.33x = 8,784,528,366.22
  5. Step 5: Solve for x
    x = 8,784,528,366.22/122,628.33
  6. Step 6: Final answer
    x = 71,635.39

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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.