Home / 74,514.50-102,777.93-49,012.82

Finding the Fourth Proportional to 74,514.50, 102,777.93 and 49,012.82

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Solution

The fourth proportional to 74,514.50, 102,777.93 and 49,012.82 is: 67,603.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,514.50 : 102,777.93 = 49,012.82 : x
  2. Step 2: Convert to fraction form
    74,514.50/102,777.93 = 49,012.82/x
  3. Step 3: Cross multiply
    74,514.50x = 102,777.93 × 49,012.82
  4. Step 4: Simplify right side
    74,514.50x = 5,037,436,183.06
  5. Step 5: Solve for x
    x = 5,037,436,183.06/74,514.50
  6. Step 6: Final answer
    x = 67,603.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.