Home / 45,442.56-68,172.96-14,270.48

Finding the Fourth Proportional to 45,442.56, 68,172.96 and 14,270.48

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Solution

The fourth proportional to 45,442.56, 68,172.96 and 14,270.48 is: 21,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,442.56 : 68,172.96 = 14,270.48 : x
  2. Step 2: Convert to fraction form
    45,442.56/68,172.96 = 14,270.48/x
  3. Step 3: Cross multiply
    45,442.56x = 68,172.96 × 14,270.48
  4. Step 4: Simplify right side
    45,442.56x = 972,860,862.22
  5. Step 5: Solve for x
    x = 972,860,862.22/45,442.56
  6. Step 6: Final answer
    x = 21,408.58

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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.