Home / 74,144.53-111,233.21-40,847.46

Finding the Fourth Proportional to 74,144.53, 111,233.21 and 40,847.46

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Solution

The fourth proportional to 74,144.53, 111,233.21 and 40,847.46 is: 61,280.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,144.53 : 111,233.21 = 40,847.46 : x
  2. Step 2: Convert to fraction form
    74,144.53/111,233.21 = 40,847.46/x
  3. Step 3: Cross multiply
    74,144.53x = 111,233.21 × 40,847.46
  4. Step 4: Simplify right side
    74,144.53x = 4,543,594,096.15
  5. Step 5: Solve for x
    x = 4,543,594,096.15/74,144.53
  6. Step 6: Final answer
    x = 61,280.23

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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.