Home / 104,104.53-156,158.07-36,638.58

Finding the Fourth Proportional to 104,104.53, 156,158.07 and 36,638.58

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Solution

The fourth proportional to 104,104.53, 156,158.07 and 36,638.58 is: 54,958.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,104.53 : 156,158.07 = 36,638.58 : x
  2. Step 2: Convert to fraction form
    104,104.53/156,158.07 = 36,638.58/x
  3. Step 3: Cross multiply
    104,104.53x = 156,158.07 × 36,638.58
  4. Step 4: Simplify right side
    104,104.53x = 5,721,409,940.34
  5. Step 5: Solve for x
    x = 5,721,409,940.34/104,104.53
  6. Step 6: Final answer
    x = 54,958.32

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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.