Home / 49,405.17-74,111.07-17,380.41

Finding the Fourth Proportional to 49,405.17, 74,111.07 and 17,380.41

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Solution

The fourth proportional to 49,405.17, 74,111.07 and 17,380.41 is: 26,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,405.17 : 74,111.07 = 17,380.41 : x
  2. Step 2: Convert to fraction form
    49,405.17/74,111.07 = 17,380.41/x
  3. Step 3: Cross multiply
    49,405.17x = 74,111.07 × 17,380.41
  4. Step 4: Simplify right side
    49,405.17x = 1,288,080,782.14
  5. Step 5: Solve for x
    x = 1,288,080,782.14/49,405.17
  6. Step 6: Final answer
    x = 26,071.78

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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.