Home / 75,101.58-103,638.59-41,109.26

Finding the Fourth Proportional to 75,101.58, 103,638.59 and 41,109.26

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Solution

The fourth proportional to 75,101.58, 103,638.59 and 41,109.26 is: 56,729.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,101.58 : 103,638.59 = 41,109.26 : x
  2. Step 2: Convert to fraction form
    75,101.58/103,638.59 = 41,109.26/x
  3. Step 3: Cross multiply
    75,101.58x = 103,638.59 × 41,109.26
  4. Step 4: Simplify right side
    75,101.58x = 4,260,505,172.76
  5. Step 5: Solve for x
    x = 4,260,505,172.76/75,101.58
  6. Step 6: Final answer
    x = 56,729.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.