Home / 81,922.44-113,030.84-47,939.34

Finding the Fourth Proportional to 81,922.44, 113,030.84 and 47,939.34

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Solution

The fourth proportional to 81,922.44, 113,030.84 and 47,939.34 is: 66,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,922.44 : 113,030.84 = 47,939.34 : x
  2. Step 2: Convert to fraction form
    81,922.44/113,030.84 = 47,939.34/x
  3. Step 3: Cross multiply
    81,922.44x = 113,030.84 × 47,939.34
  4. Step 4: Simplify right side
    81,922.44x = 5,418,624,412.96
  5. Step 5: Solve for x
    x = 5,418,624,412.96/81,922.44
  6. Step 6: Final answer
    x = 66,143.35

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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.