Home / 50,825.96-70,078.82-43,740.20

Finding the Fourth Proportional to 50,825.96, 70,078.82 and 43,740.20

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Solution

The fourth proportional to 50,825.96, 70,078.82 and 43,740.20 is: 60,308.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,825.96 : 70,078.82 = 43,740.20 : x
  2. Step 2: Convert to fraction form
    50,825.96/70,078.82 = 43,740.20/x
  3. Step 3: Cross multiply
    50,825.96x = 70,078.82 × 43,740.20
  4. Step 4: Simplify right side
    50,825.96x = 3,065,261,602.56
  5. Step 5: Solve for x
    x = 3,065,261,602.56/50,825.96
  6. Step 6: Final answer
    x = 60,308.98

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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.