Home / 82,766.44-124,148.93-54,811.57

Finding the Fourth Proportional to 82,766.44, 124,148.93 and 54,811.57

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Solution

The fourth proportional to 82,766.44, 124,148.93 and 54,811.57 is: 82,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,766.44 : 124,148.93 = 54,811.57 : x
  2. Step 2: Convert to fraction form
    82,766.44/124,148.93 = 54,811.57/x
  3. Step 3: Cross multiply
    82,766.44x = 124,148.93 × 54,811.57
  4. Step 4: Simplify right side
    82,766.44x = 6,804,797,182.69
  5. Step 5: Solve for x
    x = 6,804,797,182.69/82,766.44
  6. Step 6: Final answer
    x = 82,216.87

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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.