Home / 106,361.14-159,569.39-39,806.50

Finding the Fourth Proportional to 106,361.14, 159,569.39 and 39,806.50

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Solution

The fourth proportional to 106,361.14, 159,569.39 and 39,806.50 is: 59,720.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,361.14 : 159,569.39 = 39,806.50 : x
  2. Step 2: Convert to fraction form
    106,361.14/159,569.39 = 39,806.50/x
  3. Step 3: Cross multiply
    106,361.14x = 159,569.39 × 39,806.50
  4. Step 4: Simplify right side
    106,361.14x = 6,351,898,724.00
  5. Step 5: Solve for x
    x = 6,351,898,724.00/106,361.14
  6. Step 6: Final answer
    x = 59,720.11

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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.