Home / 68,618.44-94,695.78-40,323.64

Finding the Fourth Proportional to 68,618.44, 94,695.78 and 40,323.64

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Solution

The fourth proportional to 68,618.44, 94,695.78 and 40,323.64 is: 55,647.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,618.44 : 94,695.78 = 40,323.64 : x
  2. Step 2: Convert to fraction form
    68,618.44/94,695.78 = 40,323.64/x
  3. Step 3: Cross multiply
    68,618.44x = 94,695.78 × 40,323.64
  4. Step 4: Simplify right side
    68,618.44x = 3,818,478,542.24
  5. Step 5: Solve for x
    x = 3,818,478,542.24/68,618.44
  6. Step 6: Final answer
    x = 55,647.99

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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.