Home / 82,480.14-123,782.40-60,350.60

Finding the Fourth Proportional to 82,480.14, 123,782.40 and 60,350.60

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Solution

The fourth proportional to 82,480.14, 123,782.40 and 60,350.60 is: 90,571.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,480.14 : 123,782.40 = 60,350.60 : x
  2. Step 2: Convert to fraction form
    82,480.14/123,782.40 = 60,350.60/x
  3. Step 3: Cross multiply
    82,480.14x = 123,782.40 × 60,350.60
  4. Step 4: Simplify right side
    82,480.14x = 7,470,342,109.44
  5. Step 5: Solve for x
    x = 7,470,342,109.44/82,480.14
  6. Step 6: Final answer
    x = 90,571.40

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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.