Home / 54,909.40-82,364.10-54,034.60

Finding the Fourth Proportional to 54,909.40, 82,364.10 and 54,034.60

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Solution

The fourth proportional to 54,909.40, 82,364.10 and 54,034.60 is: 81,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909.40 : 82,364.10 = 54,034.60 : x
  2. Step 2: Convert to fraction form
    54,909.40/82,364.10 = 54,034.60/x
  3. Step 3: Cross multiply
    54,909.40x = 82,364.10 × 54,034.60
  4. Step 4: Simplify right side
    54,909.40x = 4,450,511,197.86
  5. Step 5: Solve for x
    x = 4,450,511,197.86/54,909.40
  6. Step 6: Final answer
    x = 81,051.90

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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.