Home / 81,033.75-111,837.84-45,226.06

Finding the Fourth Proportional to 81,033.75, 111,837.84 and 45,226.06

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Solution

The fourth proportional to 81,033.75, 111,837.84 and 45,226.06 is: 62,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,033.75 : 111,837.84 = 45,226.06 : x
  2. Step 2: Convert to fraction form
    81,033.75/111,837.84 = 45,226.06/x
  3. Step 3: Cross multiply
    81,033.75x = 111,837.84 × 45,226.06
  4. Step 4: Simplify right side
    81,033.75x = 5,057,984,862.11
  5. Step 5: Solve for x
    x = 5,057,984,862.11/81,033.75
  6. Step 6: Final answer
    x = 62,418.25

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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.