Home / 111,027.60-166,543-36,148.14

Finding the Fourth Proportional to 111,027.60, 166,543 and 36,148.14

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Solution

The fourth proportional to 111,027.60, 166,543 and 36,148.14 is: 54,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,027.60 : 166,543 = 36,148.14 : x
  2. Step 2: Convert to fraction form
    111,027.60/166,543 = 36,148.14/x
  3. Step 3: Cross multiply
    111,027.60x = 166,543 × 36,148.14
  4. Step 4: Simplify right side
    111,027.60x = 6,020,219,680.02
  5. Step 5: Solve for x
    x = 6,020,219,680.02/111,027.60
  6. Step 6: Final answer
    x = 54,222.73

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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.