Home / 113,112.41-169,668.44-28,872.56

Finding the Fourth Proportional to 113,112.41, 169,668.44 and 28,872.56

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Solution

The fourth proportional to 113,112.41, 169,668.44 and 28,872.56 is: 43,308.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,112.41 : 169,668.44 = 28,872.56 : x
  2. Step 2: Convert to fraction form
    113,112.41/169,668.44 = 28,872.56/x
  3. Step 3: Cross multiply
    113,112.41x = 169,668.44 × 28,872.56
  4. Step 4: Simplify right side
    113,112.41x = 4,898,762,493.81
  5. Step 5: Solve for x
    x = 4,898,762,493.81/113,112.41
  6. Step 6: Final answer
    x = 43,308.80

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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.