Home / 81,941.19-122,923.88-41,982.77

Finding the Fourth Proportional to 81,941.19, 122,923.88 and 41,982.77

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Solution

The fourth proportional to 81,941.19, 122,923.88 and 41,982.77 is: 62,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,941.19 : 122,923.88 = 41,982.77 : x
  2. Step 2: Convert to fraction form
    81,941.19/122,923.88 = 41,982.77/x
  3. Step 3: Cross multiply
    81,941.19x = 122,923.88 × 41,982.77
  4. Step 4: Simplify right side
    81,941.19x = 5,160,685,236.38
  5. Step 5: Solve for x
    x = 5,160,685,236.38/81,941.19
  6. Step 6: Final answer
    x = 62,980.36

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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.