Home / 71,778.06-99,056.97-41,564.70

Finding the Fourth Proportional to 71,778.06, 99,056.97 and 41,564.70

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Solution

The fourth proportional to 71,778.06, 99,056.97 and 41,564.70 is: 57,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,778.06 : 99,056.97 = 41,564.70 : x
  2. Step 2: Convert to fraction form
    71,778.06/99,056.97 = 41,564.70/x
  3. Step 3: Cross multiply
    71,778.06x = 99,056.97 × 41,564.70
  4. Step 4: Simplify right side
    71,778.06x = 4,117,273,240.96
  5. Step 5: Solve for x
    x = 4,117,273,240.96/71,778.06
  6. Step 6: Final answer
    x = 57,361.17

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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.