Home / 74,427.52-111,644.93-30,048.73

Finding the Fourth Proportional to 74,427.52, 111,644.93 and 30,048.73

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Solution

The fourth proportional to 74,427.52, 111,644.93 and 30,048.73 is: 45,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,427.52 : 111,644.93 = 30,048.73 : x
  2. Step 2: Convert to fraction form
    74,427.52/111,644.93 = 30,048.73/x
  3. Step 3: Cross multiply
    74,427.52x = 111,644.93 × 30,048.73
  4. Step 4: Simplify right side
    74,427.52x = 3,354,788,357.44
  5. Step 5: Solve for x
    x = 3,354,788,357.44/74,427.52
  6. Step 6: Final answer
    x = 45,074.57

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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.