Home / 101,091.09-139,503.94-55,773.41

Finding the Fourth Proportional to 101,091.09, 139,503.94 and 55,773.41

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Solution

The fourth proportional to 101,091.09, 139,503.94 and 55,773.41 is: 76,966.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,091.09 : 139,503.94 = 55,773.41 : x
  2. Step 2: Convert to fraction form
    101,091.09/139,503.94 = 55,773.41/x
  3. Step 3: Cross multiply
    101,091.09x = 139,503.94 × 55,773.41
  4. Step 4: Simplify right side
    101,091.09x = 7,780,610,389.99
  5. Step 5: Solve for x
    x = 7,780,610,389.99/101,091.09
  6. Step 6: Final answer
    x = 76,966.33

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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.