Home / 105,220.24-145,222.76-62,198

Finding the Fourth Proportional to 105,220.24, 145,222.76 and 62,198

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Solution

The fourth proportional to 105,220.24, 145,222.76 and 62,198 is: 85,844.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,220.24 : 145,222.76 = 62,198 : x
  2. Step 2: Convert to fraction form
    105,220.24/145,222.76 = 62,198/x
  3. Step 3: Cross multiply
    105,220.24x = 145,222.76 × 62,198
  4. Step 4: Simplify right side
    105,220.24x = 9,032,565,226.48
  5. Step 5: Solve for x
    x = 9,032,565,226.48/105,220.24
  6. Step 6: Final answer
    x = 85,844.37

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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.