Home / 51,081.63-76,622.44-14,145.63

Finding the Fourth Proportional to 51,081.63, 76,622.44 and 14,145.63

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Solution

The fourth proportional to 51,081.63, 76,622.44 and 14,145.63 is: 21,218.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,081.63 : 76,622.44 = 14,145.63 : x
  2. Step 2: Convert to fraction form
    51,081.63/76,622.44 = 14,145.63/x
  3. Step 3: Cross multiply
    51,081.63x = 76,622.44 × 14,145.63
  4. Step 4: Simplify right side
    51,081.63x = 1,083,872,685.94
  5. Step 5: Solve for x
    x = 1,083,872,685.94/51,081.63
  6. Step 6: Final answer
    x = 21,218.44

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Double scale
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Similar ratio
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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.