Home / 111,018.60-166,529.49-36,139.14

Finding the Fourth Proportional to 111,018.60, 166,529.49 and 36,139.14

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Solution

The fourth proportional to 111,018.60, 166,529.49 and 36,139.14 is: 54,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,018.60 : 166,529.49 = 36,139.14 : x
  2. Step 2: Convert to fraction form
    111,018.60/166,529.49 = 36,139.14/x
  3. Step 3: Cross multiply
    111,018.60x = 166,529.49 × 36,139.14
  4. Step 4: Simplify right side
    111,018.60x = 6,018,232,553.24
  5. Step 5: Solve for x
    x = 6,018,232,553.24/111,018.60
  6. Step 6: Final answer
    x = 54,209.23

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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.