Home / 45,763.20-68,638.40-14,601.60

Finding the Fourth Proportional to 45,763.20, 68,638.40 and 14,601.60

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Solution

The fourth proportional to 45,763.20, 68,638.40 and 14,601.60 is: 21,900.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,763.20 : 68,638.40 = 14,601.60 : x
  2. Step 2: Convert to fraction form
    45,763.20/68,638.40 = 14,601.60/x
  3. Step 3: Cross multiply
    45,763.20x = 68,638.40 × 14,601.60
  4. Step 4: Simplify right side
    45,763.20x = 1,002,230,461.44
  5. Step 5: Solve for x
    x = 1,002,230,461.44/45,763.20
  6. Step 6: Final answer
    x = 21,900.36

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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.