Home / 68,585.94-94,651.29-40,291.38

Finding the Fourth Proportional to 68,585.94, 94,651.29 and 40,291.38

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Solution

The fourth proportional to 68,585.94, 94,651.29 and 40,291.38 is: 55,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,585.94 : 94,651.29 = 40,291.38 : x
  2. Step 2: Convert to fraction form
    68,585.94/94,651.29 = 40,291.38/x
  3. Step 3: Cross multiply
    68,585.94x = 94,651.29 × 40,291.38
  4. Step 4: Simplify right side
    68,585.94x = 3,813,631,092.88
  5. Step 5: Solve for x
    x = 3,813,631,092.88/68,585.94
  6. Step 6: Final answer
    x = 55,603.69

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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.