Home / 71,792.06-99,076.32-41,578.70

Finding the Fourth Proportional to 71,792.06, 99,076.32 and 41,578.70

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Solution

The fourth proportional to 71,792.06, 99,076.32 and 41,578.70 is: 57,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,792.06 : 99,076.32 = 41,578.70 : x
  2. Step 2: Convert to fraction form
    71,792.06/99,076.32 = 41,578.70/x
  3. Step 3: Cross multiply
    71,792.06x = 99,076.32 × 41,578.70
  4. Step 4: Simplify right side
    71,792.06x = 4,119,464,586.38
  5. Step 5: Solve for x
    x = 4,119,464,586.38/71,792.06
  6. Step 6: Final answer
    x = 57,380.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.