Home / 45,369.94-68,047.26-13,772.44

Finding the Fourth Proportional to 45,369.94, 68,047.26 and 13,772.44

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Solution

The fourth proportional to 45,369.94, 68,047.26 and 13,772.44 is: 20,656.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,369.94 : 68,047.26 = 13,772.44 : x
  2. Step 2: Convert to fraction form
    45,369.94/68,047.26 = 13,772.44/x
  3. Step 3: Cross multiply
    45,369.94x = 68,047.26 × 13,772.44
  4. Step 4: Simplify right side
    45,369.94x = 937,176,805.51
  5. Step 5: Solve for x
    x = 937,176,805.51/45,369.94
  6. Step 6: Final answer
    x = 20,656.34

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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.