Home / 68,413.04-94,409.10-38,198.88

Finding the Fourth Proportional to 68,413.04, 94,409.10 and 38,198.88

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Solution

The fourth proportional to 68,413.04, 94,409.10 and 38,198.88 is: 52,713.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,413.04 : 94,409.10 = 38,198.88 : x
  2. Step 2: Convert to fraction form
    68,413.04/94,409.10 = 38,198.88/x
  3. Step 3: Cross multiply
    68,413.04x = 94,409.10 × 38,198.88
  4. Step 4: Simplify right side
    68,413.04x = 3,606,321,881.81
  5. Step 5: Solve for x
    x = 3,606,321,881.81/68,413.04
  6. Step 6: Final answer
    x = 52,713.95

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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.