Home / 54,453.12-81,603.08-43,310.36

Finding the Fourth Proportional to 54,453.12, 81,603.08 and 43,310.36

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Solution

The fourth proportional to 54,453.12, 81,603.08 and 43,310.36 is: 64,904.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,453.12 : 81,603.08 = 43,310.36 : x
  2. Step 2: Convert to fraction form
    54,453.12/81,603.08 = 43,310.36/x
  3. Step 3: Cross multiply
    54,453.12x = 81,603.08 × 43,310.36
  4. Step 4: Simplify right side
    54,453.12x = 3,534,258,771.91
  5. Step 5: Solve for x
    x = 3,534,258,771.91/54,453.12
  6. Step 6: Final answer
    x = 64,904.61

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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.