Home / 106,406.26-159,611.04-31,533.94

Finding the Fourth Proportional to 106,406.26, 159,611.04 and 31,533.94

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Solution

The fourth proportional to 106,406.26, 159,611.04 and 31,533.94 is: 47,301.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,406.26 : 159,611.04 = 31,533.94 : x
  2. Step 2: Convert to fraction form
    106,406.26/159,611.04 = 31,533.94/x
  3. Step 3: Cross multiply
    106,406.26x = 159,611.04 × 31,533.94
  4. Step 4: Simplify right side
    106,406.26x = 5,033,164,958.70
  5. Step 5: Solve for x
    x = 5,033,164,958.70/106,406.26
  6. Step 6: Final answer
    x = 47,301.40

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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.