Home / 97,923.96-135,127.44-55,489.14

Finding the Fourth Proportional to 97,923.96, 135,127.44 and 55,489.14

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Solution

The fourth proportional to 97,923.96, 135,127.44 and 55,489.14 is: 76,570.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,923.96 : 135,127.44 = 55,489.14 : x
  2. Step 2: Convert to fraction form
    97,923.96/135,127.44 = 55,489.14/x
  3. Step 3: Cross multiply
    97,923.96x = 135,127.44 × 55,489.14
  4. Step 4: Simplify right side
    97,923.96x = 7,498,105,436.00
  5. Step 5: Solve for x
    x = 7,498,105,436.00/97,923.96
  6. Step 6: Final answer
    x = 76,570.69

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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.