Home / 100,813.42-151,114.63-37,608.11

Finding the Fourth Proportional to 100,813.42, 151,114.63 and 37,608.11

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Solution

The fourth proportional to 100,813.42, 151,114.63 and 37,608.11 is: 56,372.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,813.42 : 151,114.63 = 37,608.11 : x
  2. Step 2: Convert to fraction form
    100,813.42/151,114.63 = 37,608.11/x
  3. Step 3: Cross multiply
    100,813.42x = 151,114.63 × 37,608.11
  4. Step 4: Simplify right side
    100,813.42x = 5,683,135,627.65
  5. Step 5: Solve for x
    x = 5,683,135,627.65/100,813.42
  6. Step 6: Final answer
    x = 56,372.81

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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.