Home / 98,413.20-147,621.42-30,943.14

Finding the Fourth Proportional to 98,413.20, 147,621.42 and 30,943.14

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Solution

The fourth proportional to 98,413.20, 147,621.42 and 30,943.14 is: 46,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,413.20 : 147,621.42 = 30,943.14 : x
  2. Step 2: Convert to fraction form
    98,413.20/147,621.42 = 30,943.14/x
  3. Step 3: Cross multiply
    98,413.20x = 147,621.42 × 30,943.14
  4. Step 4: Simplify right side
    98,413.20x = 4,567,870,266.06
  5. Step 5: Solve for x
    x = 4,567,870,266.06/98,413.20
  6. Step 6: Final answer
    x = 46,415.22

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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.