Home / 111,021.12-166,494.06-36,122.76

Finding the Fourth Proportional to 111,021.12, 166,494.06 and 36,122.76

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Solution

The fourth proportional to 111,021.12, 166,494.06 and 36,122.76 is: 54,171.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,021.12 : 166,494.06 = 36,122.76 : x
  2. Step 2: Convert to fraction form
    111,021.12/166,494.06 = 36,122.76/x
  3. Step 3: Cross multiply
    111,021.12x = 166,494.06 × 36,122.76
  4. Step 4: Simplify right side
    111,021.12x = 6,014,224,970.81
  5. Step 5: Solve for x
    x = 6,014,224,970.81/111,021.12
  6. Step 6: Final answer
    x = 54,171.90

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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.