Home / 103,619.88-155,413.26-37,047.60

Finding the Fourth Proportional to 103,619.88, 155,413.26 and 37,047.60

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Solution

The fourth proportional to 103,619.88, 155,413.26 and 37,047.60 is: 55,565.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,619.88 : 155,413.26 = 37,047.60 : x
  2. Step 2: Convert to fraction form
    103,619.88/155,413.26 = 37,047.60/x
  3. Step 3: Cross multiply
    103,619.88x = 155,413.26 × 37,047.60
  4. Step 4: Simplify right side
    103,619.88x = 5,757,688,291.18
  5. Step 5: Solve for x
    x = 5,757,688,291.18/103,619.88
  6. Step 6: Final answer
    x = 55,565.48

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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.