Home / 54,489.12-81,595.44-43,522.08

Finding the Fourth Proportional to 54,489.12, 81,595.44 and 43,522.08

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Solution

The fourth proportional to 54,489.12, 81,595.44 and 43,522.08 is: 65,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,489.12 : 81,595.44 = 43,522.08 : x
  2. Step 2: Convert to fraction form
    54,489.12/81,595.44 = 43,522.08/x
  3. Step 3: Cross multiply
    54,489.12x = 81,595.44 × 43,522.08
  4. Step 4: Simplify right side
    54,489.12x = 3,551,203,267.32
  5. Step 5: Solve for x
    x = 3,551,203,267.32/54,489.12
  6. Step 6: Final answer
    x = 65,172.70

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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.