Home / 90,413.47-135,606.88-23,858.28

Finding the Fourth Proportional to 90,413.47, 135,606.88 and 23,858.28

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Solution

The fourth proportional to 90,413.47, 135,606.88 and 23,858.28 is: 35,783.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,413.47 : 135,606.88 = 23,858.28 : x
  2. Step 2: Convert to fraction form
    90,413.47/135,606.88 = 23,858.28/x
  3. Step 3: Cross multiply
    90,413.47x = 135,606.88 × 23,858.28
  4. Step 4: Simplify right side
    90,413.47x = 3,235,346,912.97
  5. Step 5: Solve for x
    x = 3,235,346,912.97/90,413.47
  6. Step 6: Final answer
    x = 35,783.90

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1.5x scale

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.