Home / 45,546.63-68,321.76-14,381.88

Finding the Fourth Proportional to 45,546.63, 68,321.76 and 14,381.88

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Solution

The fourth proportional to 45,546.63, 68,321.76 and 14,381.88 is: 21,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,546.63 : 68,321.76 = 14,381.88 : x
  2. Step 2: Convert to fraction form
    45,546.63/68,321.76 = 14,381.88/x
  3. Step 3: Cross multiply
    45,546.63x = 68,321.76 × 14,381.88
  4. Step 4: Simplify right side
    45,546.63x = 982,595,353.71
  5. Step 5: Solve for x
    x = 982,595,353.71/45,546.63
  6. Step 6: Final answer
    x = 21,573.39

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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.