Home / 122,460.40-183,760.68-47,570.84

Finding the Fourth Proportional to 122,460.40, 183,760.68 and 47,570.84

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Solution

The fourth proportional to 122,460.40, 183,760.68 and 47,570.84 is: 71,383.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,460.40 : 183,760.68 = 47,570.84 : x
  2. Step 2: Convert to fraction form
    122,460.40/183,760.68 = 47,570.84/x
  3. Step 3: Cross multiply
    122,460.40x = 183,760.68 × 47,570.84
  4. Step 4: Simplify right side
    122,460.40x = 8,741,649,906.57
  5. Step 5: Solve for x
    x = 8,741,649,906.57/122,460.40
  6. Step 6: Final answer
    x = 71,383.48

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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.