Home / 49,939.47-68,915.99-27,278.45

Finding the Fourth Proportional to 49,939.47, 68,915.99 and 27,278.45

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Solution

The fourth proportional to 49,939.47, 68,915.99 and 27,278.45 is: 37,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,939.47 : 68,915.99 = 27,278.45 : x
  2. Step 2: Convert to fraction form
    49,939.47/68,915.99 = 27,278.45/x
  3. Step 3: Cross multiply
    49,939.47x = 68,915.99 × 27,278.45
  4. Step 4: Simplify right side
    49,939.47x = 1,879,921,387.42
  5. Step 5: Solve for x
    x = 1,879,921,387.42/49,939.47
  6. Step 6: Final answer
    x = 37,644.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.