Home / 82,766.84-124,149.59-54,811.98

Finding the Fourth Proportional to 82,766.84, 124,149.59 and 54,811.98

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Solution

The fourth proportional to 82,766.84, 124,149.59 and 54,811.98 is: 82,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,766.84 : 124,149.59 = 54,811.98 : x
  2. Step 2: Convert to fraction form
    82,766.84/124,149.59 = 54,811.98/x
  3. Step 3: Cross multiply
    82,766.84x = 124,149.59 × 54,811.98
  4. Step 4: Simplify right side
    82,766.84x = 6,804,884,844.09
  5. Step 5: Solve for x
    x = 6,804,884,844.09/82,766.84
  6. Step 6: Final answer
    x = 82,217.53

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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.