Home / 45,384.75-68,079.56-14,222.43

Finding the Fourth Proportional to 45,384.75, 68,079.56 and 14,222.43

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Solution

The fourth proportional to 45,384.75, 68,079.56 and 14,222.43 is: 21,334.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,384.75 : 68,079.56 = 14,222.43 : x
  2. Step 2: Convert to fraction form
    45,384.75/68,079.56 = 14,222.43/x
  3. Step 3: Cross multiply
    45,384.75x = 68,079.56 × 14,222.43
  4. Step 4: Simplify right side
    45,384.75x = 968,256,705.42
  5. Step 5: Solve for x
    x = 968,256,705.42/45,384.75
  6. Step 6: Final answer
    x = 21,334.41

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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.