Home / 100,667.90-151,020.07-41,470.67

Finding the Fourth Proportional to 100,667.90, 151,020.07 and 41,470.67

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Solution

The fourth proportional to 100,667.90, 151,020.07 and 41,470.67 is: 62,213.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,667.90 : 151,020.07 = 41,470.67 : x
  2. Step 2: Convert to fraction form
    100,667.90/151,020.07 = 41,470.67/x
  3. Step 3: Cross multiply
    100,667.90x = 151,020.07 × 41,470.67
  4. Step 4: Simplify right side
    100,667.90x = 6,262,902,627.57
  5. Step 5: Solve for x
    x = 6,262,902,627.57/100,667.90
  6. Step 6: Final answer
    x = 62,213.51

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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.