Home / 106,969.17-160,429.44-47,772.75

Finding the Fourth Proportional to 106,969.17, 160,429.44 and 47,772.75

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Solution

The fourth proportional to 106,969.17, 160,429.44 and 47,772.75 is: 71,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,969.17 : 160,429.44 = 47,772.75 : x
  2. Step 2: Convert to fraction form
    106,969.17/160,429.44 = 47,772.75/x
  3. Step 3: Cross multiply
    106,969.17x = 160,429.44 × 47,772.75
  4. Step 4: Simplify right side
    106,969.17x = 7,664,155,529.76
  5. Step 5: Solve for x
    x = 7,664,155,529.76/106,969.17
  6. Step 6: Final answer
    x = 71,648.27

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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.