Home / 63,413.78-87,512.67-34,735.05

Finding the Fourth Proportional to 63,413.78, 87,512.67 and 34,735.05

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Solution

The fourth proportional to 63,413.78, 87,512.67 and 34,735.05 is: 47,935.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,413.78 : 87,512.67 = 34,735.05 : x
  2. Step 2: Convert to fraction form
    63,413.78/87,512.67 = 34,735.05/x
  3. Step 3: Cross multiply
    63,413.78x = 87,512.67 × 34,735.05
  4. Step 4: Simplify right side
    63,413.78x = 3,039,756,968.08
  5. Step 5: Solve for x
    x = 3,039,756,968.08/63,413.78
  6. Step 6: Final answer
    x = 47,935.28

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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.