Home / 74,777.44-112,187.34-30,436.02

Finding the Fourth Proportional to 74,777.44, 112,187.34 and 30,436.02

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Solution

The fourth proportional to 74,777.44, 112,187.34 and 30,436.02 is: 45,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,777.44 : 112,187.34 = 30,436.02 : x
  2. Step 2: Convert to fraction form
    74,777.44/112,187.34 = 30,436.02/x
  3. Step 3: Cross multiply
    74,777.44x = 112,187.34 × 30,436.02
  4. Step 4: Simplify right side
    74,777.44x = 3,414,536,123.99
  5. Step 5: Solve for x
    x = 3,414,536,123.99/74,777.44
  6. Step 6: Final answer
    x = 45,662.65

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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.