Home / 53,674.05-80,513.25-13,694.07

Finding the Fourth Proportional to 53,674.05, 80,513.25 and 13,694.07

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Solution

The fourth proportional to 53,674.05, 80,513.25 and 13,694.07 is: 20,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,674.05 : 80,513.25 = 13,694.07 : x
  2. Step 2: Convert to fraction form
    53,674.05/80,513.25 = 13,694.07/x
  3. Step 3: Cross multiply
    53,674.05x = 80,513.25 × 13,694.07
  4. Step 4: Simplify right side
    53,674.05x = 1,102,554,081.43
  5. Step 5: Solve for x
    x = 1,102,554,081.43/53,674.05
  6. Step 6: Final answer
    x = 20,541.66

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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.