Home / 45,372.54-68,058.57-11,638.42

Finding the Fourth Proportional to 45,372.54, 68,058.57 and 11,638.42

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Solution

The fourth proportional to 45,372.54, 68,058.57 and 11,638.42 is: 17,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,372.54 : 68,058.57 = 11,638.42 : x
  2. Step 2: Convert to fraction form
    45,372.54/68,058.57 = 11,638.42/x
  3. Step 3: Cross multiply
    45,372.54x = 68,058.57 × 11,638.42
  4. Step 4: Simplify right side
    45,372.54x = 792,094,052.11
  5. Step 5: Solve for x
    x = 792,094,052.11/45,372.54
  6. Step 6: Final answer
    x = 17,457.56

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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.