Home / 45,769.90-68,662.26-14,172.54

Finding the Fourth Proportional to 45,769.90, 68,662.26 and 14,172.54

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Solution

The fourth proportional to 45,769.90, 68,662.26 and 14,172.54 is: 21,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,769.90 : 68,662.26 = 14,172.54 : x
  2. Step 2: Convert to fraction form
    45,769.90/68,662.26 = 14,172.54/x
  3. Step 3: Cross multiply
    45,769.90x = 68,662.26 × 14,172.54
  4. Step 4: Simplify right side
    45,769.90x = 973,118,272.80
  5. Step 5: Solve for x
    x = 973,118,272.80/45,769.90
  6. Step 6: Final answer
    x = 21,261.10

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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.