Home / 112,906.37-155,817.79-62,605.37

Finding the Fourth Proportional to 112,906.37, 155,817.79 and 62,605.37

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Solution

The fourth proportional to 112,906.37, 155,817.79 and 62,605.37 is: 86,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,906.37 : 155,817.79 = 62,605.37 : x
  2. Step 2: Convert to fraction form
    112,906.37/155,817.79 = 62,605.37/x
  3. Step 3: Cross multiply
    112,906.37x = 155,817.79 × 62,605.37
  4. Step 4: Simplify right side
    112,906.37x = 9,755,030,628.56
  5. Step 5: Solve for x
    x = 9,755,030,628.56/112,906.37
  6. Step 6: Final answer
    x = 86,399.29

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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.