Home / 111,021.10-166,533.24-36,141.64

Finding the Fourth Proportional to 111,021.10, 166,533.24 and 36,141.64

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Solution

The fourth proportional to 111,021.10, 166,533.24 and 36,141.64 is: 54,212.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,021.10 : 166,533.24 = 36,141.64 : x
  2. Step 2: Convert to fraction form
    111,021.10/166,533.24 = 36,141.64/x
  3. Step 3: Cross multiply
    111,021.10x = 166,533.24 × 36,141.64
  4. Step 4: Simplify right side
    111,021.10x = 6,018,784,408.11
  5. Step 5: Solve for x
    x = 6,018,784,408.11/111,021.10
  6. Step 6: Final answer
    x = 54,212.98

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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.