Home / 111,270.50-166,932-36,390.35

Finding the Fourth Proportional to 111,270.50, 166,932 and 36,390.35

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Solution

The fourth proportional to 111,270.50, 166,932 and 36,390.35 is: 54,594.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,270.50 : 166,932 = 36,390.35 : x
  2. Step 2: Convert to fraction form
    111,270.50/166,932 = 36,390.35/x
  3. Step 3: Cross multiply
    111,270.50x = 166,932 × 36,390.35
  4. Step 4: Simplify right side
    111,270.50x = 6,074,713,906.20
  5. Step 5: Solve for x
    x = 6,074,713,906.20/111,270.50
  6. Step 6: Final answer
    x = 54,594.11

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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.