Home / 45,872.46-68,803.20-14,284.80

Finding the Fourth Proportional to 45,872.46, 68,803.20 and 14,284.80

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Solution

The fourth proportional to 45,872.46, 68,803.20 and 14,284.80 is: 21,425.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,872.46 : 68,803.20 = 14,284.80 : x
  2. Step 2: Convert to fraction form
    45,872.46/68,803.20 = 14,284.80/x
  3. Step 3: Cross multiply
    45,872.46x = 68,803.20 × 14,284.80
  4. Step 4: Simplify right side
    45,872.46x = 982,839,951.36
  5. Step 5: Solve for x
    x = 982,839,951.36/45,872.46
  6. Step 6: Final answer
    x = 21,425.49

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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.