Home / 62,395.89-86,146.55-55,669.85

Finding the Fourth Proportional to 62,395.89, 86,146.55 and 55,669.85

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Solution

The fourth proportional to 62,395.89, 86,146.55 and 55,669.85 is: 76,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,395.89 : 86,146.55 = 55,669.85 : x
  2. Step 2: Convert to fraction form
    62,395.89/86,146.55 = 55,669.85/x
  3. Step 3: Cross multiply
    62,395.89x = 86,146.55 × 55,669.85
  4. Step 4: Simplify right side
    62,395.89x = 4,795,765,652.39
  5. Step 5: Solve for x
    x = 4,795,765,652.39/62,395.89
  6. Step 6: Final answer
    x = 76,860.29

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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.