Home / 45,916.53-68,865.69-12,627.99

Finding the Fourth Proportional to 45,916.53, 68,865.69 and 12,627.99

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Solution

The fourth proportional to 45,916.53, 68,865.69 and 12,627.99 is: 18,939.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,916.53 : 68,865.69 = 12,627.99 : x
  2. Step 2: Convert to fraction form
    45,916.53/68,865.69 = 12,627.99/x
  3. Step 3: Cross multiply
    45,916.53x = 68,865.69 × 12,627.99
  4. Step 4: Simplify right side
    45,916.53x = 869,635,244.66
  5. Step 5: Solve for x
    x = 869,635,244.66/45,916.53
  6. Step 6: Final answer
    x = 18,939.48

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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.