Home / 100,781.03-151,158.49-41,608.71

Finding the Fourth Proportional to 100,781.03, 151,158.49 and 41,608.71

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Solution

The fourth proportional to 100,781.03, 151,158.49 and 41,608.71 is: 62,407.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,781.03 : 151,158.49 = 41,608.71 : x
  2. Step 2: Convert to fraction form
    100,781.03/151,158.49 = 41,608.71/x
  3. Step 3: Cross multiply
    100,781.03x = 151,158.49 × 41,608.71
  4. Step 4: Simplify right side
    100,781.03x = 6,289,509,670.43
  5. Step 5: Solve for x
    x = 6,289,509,670.43/100,781.03
  6. Step 6: Final answer
    x = 62,407.67

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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.