Home / 86,413.42-129,620.13-27,255.07

Finding the Fourth Proportional to 86,413.42, 129,620.13 and 27,255.07

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Solution

The fourth proportional to 86,413.42, 129,620.13 and 27,255.07 is: 40,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,413.42 : 129,620.13 = 27,255.07 : x
  2. Step 2: Convert to fraction form
    86,413.42/129,620.13 = 27,255.07/x
  3. Step 3: Cross multiply
    86,413.42x = 129,620.13 × 27,255.07
  4. Step 4: Simplify right side
    86,413.42x = 3,532,805,716.56
  5. Step 5: Solve for x
    x = 3,532,805,716.56/86,413.42
  6. Step 6: Final answer
    x = 40,882.61

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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.