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Finding the Fourth Proportional to 98,007.96, 135,243.36 and 55,573.32

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Solution

The fourth proportional to 98,007.96, 135,243.36 and 55,573.32 is: 76,686.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,007.96 : 135,243.36 = 55,573.32 : x
  2. Step 2: Convert to fraction form
    98,007.96/135,243.36 = 55,573.32/x
  3. Step 3: Cross multiply
    98,007.96x = 135,243.36 × 55,573.32
  4. Step 4: Simplify right side
    98,007.96x = 7,515,922,523.16
  5. Step 5: Solve for x
    x = 7,515,922,523.16/98,007.96
  6. Step 6: Final answer
    x = 76,686.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.