Home / 98,538.48-135,983.25-56,097

Finding the Fourth Proportional to 98,538.48, 135,983.25 and 56,097

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Solution

The fourth proportional to 98,538.48, 135,983.25 and 56,097 is: 77,413.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,538.48 : 135,983.25 = 56,097 : x
  2. Step 2: Convert to fraction form
    98,538.48/135,983.25 = 56,097/x
  3. Step 3: Cross multiply
    98,538.48x = 135,983.25 × 56,097
  4. Step 4: Simplify right side
    98,538.48x = 7,628,252,375.25
  5. Step 5: Solve for x
    x = 7,628,252,375.25/98,538.48
  6. Step 6: Final answer
    x = 77,413.94

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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.