Home / 124,792.22-186,991.50-45,797.78

Finding the Fourth Proportional to 124,792.22, 186,991.50 and 45,797.78

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Solution

The fourth proportional to 124,792.22, 186,991.50 and 45,797.78 is: 68,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,792.22 : 186,991.50 = 45,797.78 : x
  2. Step 2: Convert to fraction form
    124,792.22/186,991.50 = 45,797.78/x
  3. Step 3: Cross multiply
    124,792.22x = 186,991.50 × 45,797.78
  4. Step 4: Simplify right side
    124,792.22x = 8,563,795,578.87
  5. Step 5: Solve for x
    x = 8,563,795,578.87/124,792.22
  6. Step 6: Final answer
    x = 68,624.43

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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.