Home / 113,425.41-170,039.67-57,218.60

Finding the Fourth Proportional to 113,425.41, 170,039.67 and 57,218.60

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Solution

The fourth proportional to 113,425.41, 170,039.67 and 57,218.60 is: 85,778.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,425.41 : 170,039.67 = 57,218.60 : x
  2. Step 2: Convert to fraction form
    113,425.41/170,039.67 = 57,218.60/x
  3. Step 3: Cross multiply
    113,425.41x = 170,039.67 × 57,218.60
  4. Step 4: Simplify right side
    113,425.41x = 9,729,431,011.66
  5. Step 5: Solve for x
    x = 9,729,431,011.66/113,425.41
  6. Step 6: Final answer
    x = 85,778.23

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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.