Home / 45,690.44-68,520.98-14,518.40

Finding the Fourth Proportional to 45,690.44, 68,520.98 and 14,518.40

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Solution

The fourth proportional to 45,690.44, 68,520.98 and 14,518.40 is: 21,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,690.44 : 68,520.98 = 14,518.40 : x
  2. Step 2: Convert to fraction form
    45,690.44/68,520.98 = 14,518.40/x
  3. Step 3: Cross multiply
    45,690.44x = 68,520.98 × 14,518.40
  4. Step 4: Simplify right side
    45,690.44x = 994,814,996.03
  5. Step 5: Solve for x
    x = 994,814,996.03/45,690.44
  6. Step 6: Final answer
    x = 21,772.94

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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.