Home / 83,205.20-124,548.60-48,040.40

Finding the Fourth Proportional to 83,205.20, 124,548.60 and 48,040.40

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Solution

The fourth proportional to 83,205.20, 124,548.60 and 48,040.40 is: 71,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,205.20 : 124,548.60 = 48,040.40 : x
  2. Step 2: Convert to fraction form
    83,205.20/124,548.60 = 48,040.40/x
  3. Step 3: Cross multiply
    83,205.20x = 124,548.60 × 48,040.40
  4. Step 4: Simplify right side
    83,205.20x = 5,983,364,563.44
  5. Step 5: Solve for x
    x = 5,983,364,563.44/83,205.20
  6. Step 6: Final answer
    x = 71,910.95

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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.