Home / 54,355.21-81,403.92-43,074.27

Finding the Fourth Proportional to 54,355.21, 81,403.92 and 43,074.27

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Solution

The fourth proportional to 54,355.21, 81,403.92 and 43,074.27 is: 64,509.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,355.21 : 81,403.92 = 43,074.27 : x
  2. Step 2: Convert to fraction form
    54,355.21/81,403.92 = 43,074.27/x
  3. Step 3: Cross multiply
    54,355.21x = 81,403.92 × 43,074.27
  4. Step 4: Simplify right side
    54,355.21x = 3,506,414,429.14
  5. Step 5: Solve for x
    x = 3,506,414,429.14/54,355.21
  6. Step 6: Final answer
    x = 64,509.26

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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.