Home / 98,942.68-136,557.06-73,617.22

Finding the Fourth Proportional to 98,942.68, 136,557.06 and 73,617.22

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Solution

The fourth proportional to 98,942.68, 136,557.06 and 73,617.22 is: 101,603.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,942.68 : 136,557.06 = 73,617.22 : x
  2. Step 2: Convert to fraction form
    98,942.68/136,557.06 = 73,617.22/x
  3. Step 3: Cross multiply
    98,942.68x = 136,557.06 × 73,617.22
  4. Step 4: Simplify right side
    98,942.68x = 10,052,951,128.57
  5. Step 5: Solve for x
    x = 10,052,951,128.57/98,942.68
  6. Step 6: Final answer
    x = 101,603.79

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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.