Home / 53,223.39-79,846.53-15,786.05

Finding the Fourth Proportional to 53,223.39, 79,846.53 and 15,786.05

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Solution

The fourth proportional to 53,223.39, 79,846.53 and 15,786.05 is: 23,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223.39 : 79,846.53 = 15,786.05 : x
  2. Step 2: Convert to fraction form
    53,223.39/79,846.53 = 15,786.05/x
  3. Step 3: Cross multiply
    53,223.39x = 79,846.53 × 15,786.05
  4. Step 4: Simplify right side
    53,223.39x = 1,260,461,551.09
  5. Step 5: Solve for x
    x = 1,260,461,551.09/53,223.39
  6. Step 6: Final answer
    x = 23,682.47

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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.