Home / 45,622.41-68,436.05-14,460.09

Finding the Fourth Proportional to 45,622.41, 68,436.05 and 14,460.09

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Solution

The fourth proportional to 45,622.41, 68,436.05 and 14,460.09 is: 21,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,622.41 : 68,436.05 = 14,460.09 : x
  2. Step 2: Convert to fraction form
    45,622.41/68,436.05 = 14,460.09/x
  3. Step 3: Cross multiply
    45,622.41x = 68,436.05 × 14,460.09
  4. Step 4: Simplify right side
    45,622.41x = 989,591,369.94
  5. Step 5: Solve for x
    x = 989,591,369.94/45,622.41
  6. Step 6: Final answer
    x = 21,690.91

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1.5x scale

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.