Home / 51,107.69-76,674.29-17,828.22

Finding the Fourth Proportional to 51,107.69, 76,674.29 and 17,828.22

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Solution

The fourth proportional to 51,107.69, 76,674.29 and 17,828.22 is: 26,746.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,107.69 : 76,674.29 = 17,828.22 : x
  2. Step 2: Convert to fraction form
    51,107.69/76,674.29 = 17,828.22/x
  3. Step 3: Cross multiply
    51,107.69x = 76,674.29 × 17,828.22
  4. Step 4: Simplify right side
    51,107.69x = 1,366,966,021.32
  5. Step 5: Solve for x
    x = 1,366,966,021.32/51,107.69
  6. Step 6: Final answer
    x = 26,746.78

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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.