Home / 82,650.18-123,972.93-55,570.56

Finding the Fourth Proportional to 82,650.18, 123,972.93 and 55,570.56

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Solution

The fourth proportional to 82,650.18, 123,972.93 and 55,570.56 is: 83,354.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,650.18 : 123,972.93 = 55,570.56 : x
  2. Step 2: Convert to fraction form
    82,650.18/123,972.93 = 55,570.56/x
  3. Step 3: Cross multiply
    82,650.18x = 123,972.93 × 55,570.56
  4. Step 4: Simplify right side
    82,650.18x = 6,889,245,144.94
  5. Step 5: Solve for x
    x = 6,889,245,144.94/82,650.18
  6. Step 6: Final answer
    x = 83,354.27

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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.