Home / 81,034.34-111,833.01-45,231.33

Finding the Fourth Proportional to 81,034.34, 111,833.01 and 45,231.33

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Solution

The fourth proportional to 81,034.34, 111,833.01 and 45,231.33 is: 62,422.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,034.34 : 111,833.01 = 45,231.33 : x
  2. Step 2: Convert to fraction form
    81,034.34/111,833.01 = 45,231.33/x
  3. Step 3: Cross multiply
    81,034.34x = 111,833.01 × 45,231.33
  4. Step 4: Simplify right side
    81,034.34x = 5,058,355,554.05
  5. Step 5: Solve for x
    x = 5,058,355,554.05/81,034.34
  6. Step 6: Final answer
    x = 62,422.37

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1.5x scale

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.