Home / 75,772.35-104,509.26-55,622.79

Finding the Fourth Proportional to 75,772.35, 104,509.26 and 55,622.79

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Solution

The fourth proportional to 75,772.35, 104,509.26 and 55,622.79 is: 76,717.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,772.35 : 104,509.26 = 55,622.79 : x
  2. Step 2: Convert to fraction form
    75,772.35/104,509.26 = 55,622.79/x
  3. Step 3: Cross multiply
    75,772.35x = 104,509.26 × 55,622.79
  4. Step 4: Simplify right side
    75,772.35x = 5,813,096,622.04
  5. Step 5: Solve for x
    x = 5,813,096,622.04/75,772.35
  6. Step 6: Final answer
    x = 76,717.91

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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.