Home / 74,518.25-111,777.37-43,331.63

Finding the Fourth Proportional to 74,518.25, 111,777.37 and 43,331.63

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Solution

The fourth proportional to 74,518.25, 111,777.37 and 43,331.63 is: 64,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,518.25 : 111,777.37 = 43,331.63 : x
  2. Step 2: Convert to fraction form
    74,518.25/111,777.37 = 43,331.63/x
  3. Step 3: Cross multiply
    74,518.25x = 111,777.37 × 43,331.63
  4. Step 4: Simplify right side
    74,518.25x = 4,843,494,972.00
  5. Step 5: Solve for x
    x = 4,843,494,972.00/74,518.25
  6. Step 6: Final answer
    x = 64,997.44

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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.