Home / 74,596.39-111,893.47-18,436.49

Finding the Fourth Proportional to 74,596.39, 111,893.47 and 18,436.49

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Solution

The fourth proportional to 74,596.39, 111,893.47 and 18,436.49 is: 27,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,596.39 : 111,893.47 = 18,436.49 : x
  2. Step 2: Convert to fraction form
    74,596.39/111,893.47 = 18,436.49/x
  3. Step 3: Cross multiply
    74,596.39x = 111,893.47 × 18,436.49
  4. Step 4: Simplify right side
    74,596.39x = 2,062,923,284.16
  5. Step 5: Solve for x
    x = 2,062,923,284.16/74,596.39
  6. Step 6: Final answer
    x = 27,654.46

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1.5x scale

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.