Home / 127,830.54-191,745.80-39,084.04

Finding the Fourth Proportional to 127,830.54, 191,745.80 and 39,084.04

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Solution

The fourth proportional to 127,830.54, 191,745.80 and 39,084.04 is: 58,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,830.54 : 191,745.80 = 39,084.04 : x
  2. Step 2: Convert to fraction form
    127,830.54/191,745.80 = 39,084.04/x
  3. Step 3: Cross multiply
    127,830.54x = 191,745.80 × 39,084.04
  4. Step 4: Simplify right side
    127,830.54x = 7,494,200,517.03
  5. Step 5: Solve for x
    x = 7,494,200,517.03/127,830.54
  6. Step 6: Final answer
    x = 58,626.06

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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.