Home / 74,833.20-112,152.96-30,408.39

Finding the Fourth Proportional to 74,833.20, 112,152.96 and 30,408.39

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Solution

The fourth proportional to 74,833.20, 112,152.96 and 30,408.39 is: 45,573.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,833.20 : 112,152.96 = 30,408.39 : x
  2. Step 2: Convert to fraction form
    74,833.20/112,152.96 = 30,408.39/x
  3. Step 3: Cross multiply
    74,833.20x = 112,152.96 × 30,408.39
  4. Step 4: Simplify right side
    74,833.20x = 3,410,390,947.33
  5. Step 5: Solve for x
    x = 3,410,390,947.33/74,833.20
  6. Step 6: Final answer
    x = 45,573.23

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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.