Home / 45,770.42-68,770.66-29,137.88

Finding the Fourth Proportional to 45,770.42, 68,770.66 and 29,137.88

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Solution

The fourth proportional to 45,770.42, 68,770.66 and 29,137.88 is: 43,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,770.42 : 68,770.66 = 29,137.88 : x
  2. Step 2: Convert to fraction form
    45,770.42/68,770.66 = 29,137.88/x
  3. Step 3: Cross multiply
    45,770.42x = 68,770.66 × 29,137.88
  4. Step 4: Simplify right side
    45,770.42x = 2,003,831,238.60
  5. Step 5: Solve for x
    x = 2,003,831,238.60/45,770.42
  6. Step 6: Final answer
    x = 43,780.05

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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.