Home / 68,723.04-103,106.43-33,643.56

Finding the Fourth Proportional to 68,723.04, 103,106.43 and 33,643.56

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Solution

The fourth proportional to 68,723.04, 103,106.43 and 33,643.56 is: 50,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,723.04 : 103,106.43 = 33,643.56 : x
  2. Step 2: Convert to fraction form
    68,723.04/103,106.43 = 33,643.56/x
  3. Step 3: Cross multiply
    68,723.04x = 103,106.43 × 33,643.56
  4. Step 4: Simplify right side
    68,723.04x = 3,468,867,364.09
  5. Step 5: Solve for x
    x = 3,468,867,364.09/68,723.04
  6. Step 6: Final answer
    x = 50,476.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.