Home / 111,289.80-166,935-32,405.96

Finding the Fourth Proportional to 111,289.80, 166,935 and 32,405.96

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Solution

The fourth proportional to 111,289.80, 166,935 and 32,405.96 is: 48,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,289.80 : 166,935 = 32,405.96 : x
  2. Step 2: Convert to fraction form
    111,289.80/166,935 = 32,405.96/x
  3. Step 3: Cross multiply
    111,289.80x = 166,935 × 32,405.96
  4. Step 4: Simplify right side
    111,289.80x = 5,409,688,932.60
  5. Step 5: Solve for x
    x = 5,409,688,932.60/111,289.80
  6. Step 6: Final answer
    x = 48,609.03

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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.