Home / 49,855.19-68,825.55-38,499.19

Finding the Fourth Proportional to 49,855.19, 68,825.55 and 38,499.19

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Solution

The fourth proportional to 49,855.19, 68,825.55 and 38,499.19 is: 53,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,855.19 : 68,825.55 = 38,499.19 : x
  2. Step 2: Convert to fraction form
    49,855.19/68,825.55 = 38,499.19/x
  3. Step 3: Cross multiply
    49,855.19x = 68,825.55 × 38,499.19
  4. Step 4: Simplify right side
    49,855.19x = 2,649,728,012.34
  5. Step 5: Solve for x
    x = 2,649,728,012.34/49,855.19
  6. Step 6: Final answer
    x = 53,148.49

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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.