Home / 43,413.52-65,076-17,107.60

Finding the Fourth Proportional to 43,413.52, 65,076 and 17,107.60

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Solution

The fourth proportional to 43,413.52, 65,076 and 17,107.60 is: 25,643.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,413.52 : 65,076 = 17,107.60 : x
  2. Step 2: Convert to fraction form
    43,413.52/65,076 = 17,107.60/x
  3. Step 3: Cross multiply
    43,413.52x = 65,076 × 17,107.60
  4. Step 4: Simplify right side
    43,413.52x = 1,113,294,177.60
  5. Step 5: Solve for x
    x = 1,113,294,177.60/43,413.52
  6. Step 6: Final answer
    x = 25,643.95

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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.