Home / 83,464.85-115,181.43-45,738.29

Finding the Fourth Proportional to 83,464.85, 115,181.43 and 45,738.29

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Solution

The fourth proportional to 83,464.85, 115,181.43 and 45,738.29 is: 63,118.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,464.85 : 115,181.43 = 45,738.29 : x
  2. Step 2: Convert to fraction form
    83,464.85/115,181.43 = 45,738.29/x
  3. Step 3: Cross multiply
    83,464.85x = 115,181.43 × 45,738.29
  4. Step 4: Simplify right side
    83,464.85x = 5,268,201,072.05
  5. Step 5: Solve for x
    x = 5,268,201,072.05/83,464.85
  6. Step 6: Final answer
    x = 63,118.80

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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.