Home / 81,531.49-122,297.59-22,367.83

Finding the Fourth Proportional to 81,531.49, 122,297.59 and 22,367.83

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Solution

The fourth proportional to 81,531.49, 122,297.59 and 22,367.83 is: 33,551.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,531.49 : 122,297.59 = 22,367.83 : x
  2. Step 2: Convert to fraction form
    81,531.49/122,297.59 = 22,367.83/x
  3. Step 3: Cross multiply
    81,531.49x = 122,297.59 × 22,367.83
  4. Step 4: Simplify right side
    81,531.49x = 2,735,531,702.53
  5. Step 5: Solve for x
    x = 2,735,531,702.53/81,531.49
  6. Step 6: Final answer
    x = 33,551.84

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1.5x scale

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.