Home / 45,893.78-68,827.43-12,614.93

Finding the Fourth Proportional to 45,893.78, 68,827.43 and 12,614.93

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Solution

The fourth proportional to 45,893.78, 68,827.43 and 12,614.93 is: 18,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,893.78 : 68,827.43 = 12,614.93 : x
  2. Step 2: Convert to fraction form
    45,893.78/68,827.43 = 12,614.93/x
  3. Step 3: Cross multiply
    45,893.78x = 68,827.43 × 12,614.93
  4. Step 4: Simplify right side
    45,893.78x = 868,252,867.39
  5. Step 5: Solve for x
    x = 868,252,867.39/45,893.78
  6. Step 6: Final answer
    x = 18,918.75

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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.