Home / 86,586.48-129,872.40-27,413.52

Finding the Fourth Proportional to 86,586.48, 129,872.40 and 27,413.52

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Solution

The fourth proportional to 86,586.48, 129,872.40 and 27,413.52 is: 41,117.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,586.48 : 129,872.40 = 27,413.52 : x
  2. Step 2: Convert to fraction form
    86,586.48/129,872.40 = 27,413.52/x
  3. Step 3: Cross multiply
    86,586.48x = 129,872.40 × 27,413.52
  4. Step 4: Simplify right side
    86,586.48x = 3,560,259,634.85
  5. Step 5: Solve for x
    x = 3,560,259,634.85/86,586.48
  6. Step 6: Final answer
    x = 41,117.96

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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.