Home / 82,942.20-124,413.30-27,538.20

Finding the Fourth Proportional to 82,942.20, 124,413.30 and 27,538.20

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Solution

The fourth proportional to 82,942.20, 124,413.30 and 27,538.20 is: 41,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,942.20 : 124,413.30 = 27,538.20 : x
  2. Step 2: Convert to fraction form
    82,942.20/124,413.30 = 27,538.20/x
  3. Step 3: Cross multiply
    82,942.20x = 124,413.30 × 27,538.20
  4. Step 4: Simplify right side
    82,942.20x = 3,426,118,338.06
  5. Step 5: Solve for x
    x = 3,426,118,338.06/82,942.20
  6. Step 6: Final answer
    x = 41,307.30

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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.