Home / 96,982.12-133,840.62-54,543.16

Finding the Fourth Proportional to 96,982.12, 133,840.62 and 54,543.16

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Solution

The fourth proportional to 96,982.12, 133,840.62 and 54,543.16 is: 75,272.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,982.12 : 133,840.62 = 54,543.16 : x
  2. Step 2: Convert to fraction form
    96,982.12/133,840.62 = 54,543.16/x
  3. Step 3: Cross multiply
    96,982.12x = 133,840.62 × 54,543.16
  4. Step 4: Simplify right side
    96,982.12x = 7,300,090,351.16
  5. Step 5: Solve for x
    x = 7,300,090,351.16/96,982.12
  6. Step 6: Final answer
    x = 75,272.54

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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.