Home / 68,836.89-94,993.41-38,621.67

Finding the Fourth Proportional to 68,836.89, 94,993.41 and 38,621.67

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Solution

The fourth proportional to 68,836.89, 94,993.41 and 38,621.67 is: 53,297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,836.89 : 94,993.41 = 38,621.67 : x
  2. Step 2: Convert to fraction form
    68,836.89/94,993.41 = 38,621.67/x
  3. Step 3: Cross multiply
    68,836.89x = 94,993.41 × 38,621.67
  4. Step 4: Simplify right side
    68,836.89x = 3,668,804,133.19
  5. Step 5: Solve for x
    x = 3,668,804,133.19/68,836.89
  6. Step 6: Final answer
    x = 53,297.06

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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.