Home / 66,413.02-91,647.30-36,197.70

Finding the Fourth Proportional to 66,413.02, 91,647.30 and 36,197.70

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Solution

The fourth proportional to 66,413.02, 91,647.30 and 36,197.70 is: 49,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,413.02 : 91,647.30 = 36,197.70 : x
  2. Step 2: Convert to fraction form
    66,413.02/91,647.30 = 36,197.70/x
  3. Step 3: Cross multiply
    66,413.02x = 91,647.30 × 36,197.70
  4. Step 4: Simplify right side
    66,413.02x = 3,317,421,471.21
  5. Step 5: Solve for x
    x = 3,317,421,471.21/66,413.02
  6. Step 6: Final answer
    x = 49,951.37

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1.5x scale

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.