Home / 71,278.20-98,374.32-41,057.64

Finding the Fourth Proportional to 71,278.20, 98,374.32 and 41,057.64

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Solution

The fourth proportional to 71,278.20, 98,374.32 and 41,057.64 is: 56,665.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,278.20 : 98,374.32 = 41,057.64 : x
  2. Step 2: Convert to fraction form
    71,278.20/98,374.32 = 41,057.64/x
  3. Step 3: Cross multiply
    71,278.20x = 98,374.32 × 41,057.64
  4. Step 4: Simplify right side
    71,278.20x = 4,039,017,415.80
  5. Step 5: Solve for x
    x = 4,039,017,415.80/71,278.20
  6. Step 6: Final answer
    x = 56,665.54

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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.