Home / 90,858.44-125,436.81-60,743.45

Finding the Fourth Proportional to 90,858.44, 125,436.81 and 60,743.45

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Solution

The fourth proportional to 90,858.44, 125,436.81 and 60,743.45 is: 83,860.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,858.44 : 125,436.81 = 60,743.45 : x
  2. Step 2: Convert to fraction form
    90,858.44/125,436.81 = 60,743.45/x
  3. Step 3: Cross multiply
    90,858.44x = 125,436.81 × 60,743.45
  4. Step 4: Simplify right side
    90,858.44x = 7,619,464,596.39
  5. Step 5: Solve for x
    x = 7,619,464,596.39/90,858.44
  6. Step 6: Final answer
    x = 83,860.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.