Home / 75,770.37-104,563.94-41,778.95

Finding the Fourth Proportional to 75,770.37, 104,563.94 and 41,778.95

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Solution

The fourth proportional to 75,770.37, 104,563.94 and 41,778.95 is: 57,655.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,770.37 : 104,563.94 = 41,778.95 : x
  2. Step 2: Convert to fraction form
    75,770.37/104,563.94 = 41,778.95/x
  3. Step 3: Cross multiply
    75,770.37x = 104,563.94 × 41,778.95
  4. Step 4: Simplify right side
    75,770.37x = 4,368,570,889.35
  5. Step 5: Solve for x
    x = 4,368,570,889.35/75,770.37
  6. Step 6: Final answer
    x = 57,655.40

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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.