Home / 65,316.44-97,973.58-20,942.48

Finding the Fourth Proportional to 65,316.44, 97,973.58 and 20,942.48

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Solution

The fourth proportional to 65,316.44, 97,973.58 and 20,942.48 is: 31,413.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,316.44 : 97,973.58 = 20,942.48 : x
  2. Step 2: Convert to fraction form
    65,316.44/97,973.58 = 20,942.48/x
  3. Step 3: Cross multiply
    65,316.44x = 97,973.58 × 20,942.48
  4. Step 4: Simplify right side
    65,316.44x = 2,051,809,739.68
  5. Step 5: Solve for x
    x = 2,051,809,739.68/65,316.44
  6. Step 6: Final answer
    x = 31,413.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.