Home / 86,447.22-129,684.66-36,527.80

Finding the Fourth Proportional to 86,447.22, 129,684.66 and 36,527.80

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Solution

The fourth proportional to 86,447.22, 129,684.66 and 36,527.80 is: 54,797.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,447.22 : 129,684.66 = 36,527.80 : x
  2. Step 2: Convert to fraction form
    86,447.22/129,684.66 = 36,527.80/x
  3. Step 3: Cross multiply
    86,447.22x = 129,684.66 × 36,527.80
  4. Step 4: Simplify right side
    86,447.22x = 4,737,095,323.55
  5. Step 5: Solve for x
    x = 4,737,095,323.55/86,447.22
  6. Step 6: Final answer
    x = 54,797.54

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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.