Home / 54,334.80-81,502.20-43,181.10

Finding the Fourth Proportional to 54,334.80, 81,502.20 and 43,181.10

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Solution

The fourth proportional to 54,334.80, 81,502.20 and 43,181.10 is: 64,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,334.80 : 81,502.20 = 43,181.10 : x
  2. Step 2: Convert to fraction form
    54,334.80/81,502.20 = 43,181.10/x
  3. Step 3: Cross multiply
    54,334.80x = 81,502.20 × 43,181.10
  4. Step 4: Simplify right side
    54,334.80x = 3,519,354,648.42
  5. Step 5: Solve for x
    x = 3,519,354,648.42/54,334.80
  6. Step 6: Final answer
    x = 64,771.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.