Home / 106,420.60-159,611.76-27,530.04

Finding the Fourth Proportional to 106,420.60, 159,611.76 and 27,530.04

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Solution

The fourth proportional to 106,420.60, 159,611.76 and 27,530.04 is: 41,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,420.60 : 159,611.76 = 27,530.04 : x
  2. Step 2: Convert to fraction form
    106,420.60/159,611.76 = 27,530.04/x
  3. Step 3: Cross multiply
    106,420.60x = 159,611.76 × 27,530.04
  4. Step 4: Simplify right side
    106,420.60x = 4,394,118,735.81
  5. Step 5: Solve for x
    x = 4,394,118,735.81/106,420.60
  6. Step 6: Final answer
    x = 41,290.11

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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.