Home / 68,140.98-94,028.04-50,245.65

Finding the Fourth Proportional to 68,140.98, 94,028.04 and 50,245.65

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Solution

The fourth proportional to 68,140.98, 94,028.04 and 50,245.65 is: 69,334.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,140.98 : 94,028.04 = 50,245.65 : x
  2. Step 2: Convert to fraction form
    68,140.98/94,028.04 = 50,245.65/x
  3. Step 3: Cross multiply
    68,140.98x = 94,028.04 × 50,245.65
  4. Step 4: Simplify right side
    68,140.98x = 4,724,499,988.03
  5. Step 5: Solve for x
    x = 4,724,499,988.03/68,140.98
  6. Step 6: Final answer
    x = 69,334.19

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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.