Home / 122,548.56-183,707.92-47,716.72

Finding the Fourth Proportional to 122,548.56, 183,707.92 and 47,716.72

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Solution

The fourth proportional to 122,548.56, 183,707.92 and 47,716.72 is: 71,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,548.56 : 183,707.92 = 47,716.72 : x
  2. Step 2: Convert to fraction form
    122,548.56/183,707.92 = 47,716.72/x
  3. Step 3: Cross multiply
    122,548.56x = 183,707.92 × 47,716.72
  4. Step 4: Simplify right side
    122,548.56x = 8,765,939,380.42
  5. Step 5: Solve for x
    x = 8,765,939,380.42/122,548.56
  6. Step 6: Final answer
    x = 71,530.33

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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.