Home / 68,813.49-94,982.27-40,535.49

Finding the Fourth Proportional to 68,813.49, 94,982.27 and 40,535.49

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Solution

The fourth proportional to 68,813.49, 94,982.27 and 40,535.49 is: 55,950.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,813.49 : 94,982.27 = 40,535.49 : x
  2. Step 2: Convert to fraction form
    68,813.49/94,982.27 = 40,535.49/x
  3. Step 3: Cross multiply
    68,813.49x = 94,982.27 × 40,535.49
  4. Step 4: Simplify right side
    68,813.49x = 3,850,152,653.08
  5. Step 5: Solve for x
    x = 3,850,152,653.08/68,813.49
  6. Step 6: Final answer
    x = 55,950.55

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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.