Home / 103,961.07-155,812.41-47,741.54

Finding the Fourth Proportional to 103,961.07, 155,812.41 and 47,741.54

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Solution

The fourth proportional to 103,961.07, 155,812.41 and 47,741.54 is: 71,552.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,961.07 : 155,812.41 = 47,741.54 : x
  2. Step 2: Convert to fraction form
    103,961.07/155,812.41 = 47,741.54/x
  3. Step 3: Cross multiply
    103,961.07x = 155,812.41 × 47,741.54
  4. Step 4: Simplify right side
    103,961.07x = 7,438,723,625.45
  5. Step 5: Solve for x
    x = 7,438,723,625.45/103,961.07
  6. Step 6: Final answer
    x = 71,552.97

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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.