Home / 75,413.16-104,065.56-41,415.03

Finding the Fourth Proportional to 75,413.16, 104,065.56 and 41,415.03

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Solution

The fourth proportional to 75,413.16, 104,065.56 and 41,415.03 is: 57,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,413.16 : 104,065.56 = 41,415.03 : x
  2. Step 2: Convert to fraction form
    75,413.16/104,065.56 = 41,415.03/x
  3. Step 3: Cross multiply
    75,413.16x = 104,065.56 × 41,415.03
  4. Step 4: Simplify right side
    75,413.16x = 4,309,878,289.37
  5. Step 5: Solve for x
    x = 4,309,878,289.37/75,413.16
  6. Step 6: Final answer
    x = 57,150.21

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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.