Home / 74,520.42-111,812.22-35,076.66

Finding the Fourth Proportional to 74,520.42, 111,812.22 and 35,076.66

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Solution

The fourth proportional to 74,520.42, 111,812.22 and 35,076.66 is: 52,629.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,520.42 : 111,812.22 = 35,076.66 : x
  2. Step 2: Convert to fraction form
    74,520.42/111,812.22 = 35,076.66/x
  3. Step 3: Cross multiply
    74,520.42x = 111,812.22 × 35,076.66
  4. Step 4: Simplify right side
    74,520.42x = 3,921,999,224.79
  5. Step 5: Solve for x
    x = 3,921,999,224.79/74,520.42
  6. Step 6: Final answer
    x = 52,629.86

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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.