Home / 98,383.84-135,769.06-55,942.37

Finding the Fourth Proportional to 98,383.84, 135,769.06 and 55,942.37

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Solution

The fourth proportional to 98,383.84, 135,769.06 and 55,942.37 is: 77,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,383.84 : 135,769.06 = 55,942.37 : x
  2. Step 2: Convert to fraction form
    98,383.84/135,769.06 = 55,942.37/x
  3. Step 3: Cross multiply
    98,383.84x = 135,769.06 × 55,942.37
  4. Step 4: Simplify right side
    98,383.84x = 7,595,242,989.07
  5. Step 5: Solve for x
    x = 7,595,242,989.07/98,383.84
  6. Step 6: Final answer
    x = 77,200.11

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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.