Home / 73,116.36-109,681.74-30,413.03

Finding the Fourth Proportional to 73,116.36, 109,681.74 and 30,413.03

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Solution

The fourth proportional to 73,116.36, 109,681.74 and 30,413.03 is: 45,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,116.36 : 109,681.74 = 30,413.03 : x
  2. Step 2: Convert to fraction form
    73,116.36/109,681.74 = 30,413.03/x
  3. Step 3: Cross multiply
    73,116.36x = 109,681.74 × 30,413.03
  4. Step 4: Simplify right side
    73,116.36x = 3,335,753,500.66
  5. Step 5: Solve for x
    x = 3,335,753,500.66/73,116.36
  6. Step 6: Final answer
    x = 45,622.53

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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.