Home / 75,103.10-103,638.03-41,105.18

Finding the Fourth Proportional to 75,103.10, 103,638.03 and 41,105.18

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Solution

The fourth proportional to 75,103.10, 103,638.03 and 41,105.18 is: 56,722.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,103.10 : 103,638.03 = 41,105.18 : x
  2. Step 2: Convert to fraction form
    75,103.10/103,638.03 = 41,105.18/x
  3. Step 3: Cross multiply
    75,103.10x = 103,638.03 × 41,105.18
  4. Step 4: Simplify right side
    75,103.10x = 4,260,059,878.00
  5. Step 5: Solve for x
    x = 4,260,059,878.00/75,103.10
  6. Step 6: Final answer
    x = 56,722.82

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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.