Home / 82,955.44-124,433.63-20,625.94

Finding the Fourth Proportional to 82,955.44, 124,433.63 and 20,625.94

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Solution

The fourth proportional to 82,955.44, 124,433.63 and 20,625.94 is: 30,939.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,955.44 : 124,433.63 = 20,625.94 : x
  2. Step 2: Convert to fraction form
    82,955.44/124,433.63 = 20,625.94/x
  3. Step 3: Cross multiply
    82,955.44x = 124,433.63 × 20,625.94
  4. Step 4: Simplify right side
    82,955.44x = 2,566,560,586.36
  5. Step 5: Solve for x
    x = 2,566,560,586.36/82,955.44
  6. Step 6: Final answer
    x = 30,939.03

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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.