Home / 75,099.72-103,635.94-41,108.12

Finding the Fourth Proportional to 75,099.72, 103,635.94 and 41,108.12

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Solution

The fourth proportional to 75,099.72, 103,635.94 and 41,108.12 is: 56,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,099.72 : 103,635.94 = 41,108.12 : x
  2. Step 2: Convert to fraction form
    75,099.72/103,635.94 = 41,108.12/x
  3. Step 3: Cross multiply
    75,099.72x = 103,635.94 × 41,108.12
  4. Step 4: Simplify right side
    75,099.72x = 4,260,278,657.83
  5. Step 5: Solve for x
    x = 4,260,278,657.83/75,099.72
  6. Step 6: Final answer
    x = 56,728.29

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1.5x scale

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.