Home / 74,734.85-111,977.72-52,508.44

Finding the Fourth Proportional to 74,734.85, 111,977.72 and 52,508.44

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Solution

The fourth proportional to 74,734.85, 111,977.72 and 52,508.44 is: 78,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,734.85 : 111,977.72 = 52,508.44 : x
  2. Step 2: Convert to fraction form
    74,734.85/111,977.72 = 52,508.44/x
  3. Step 3: Cross multiply
    74,734.85x = 111,977.72 × 52,508.44
  4. Step 4: Simplify right side
    74,734.85x = 5,879,775,342.55
  5. Step 5: Solve for x
    x = 5,879,775,342.55/74,734.85
  6. Step 6: Final answer
    x = 78,675.15

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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.