Home / 111,029.32-166,546.14-40,872.52

Finding the Fourth Proportional to 111,029.32, 166,546.14 and 40,872.52

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Solution

The fourth proportional to 111,029.32, 166,546.14 and 40,872.52 is: 61,309.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,029.32 : 166,546.14 = 40,872.52 : x
  2. Step 2: Convert to fraction form
    111,029.32/166,546.14 = 40,872.52/x
  3. Step 3: Cross multiply
    111,029.32x = 166,546.14 × 40,872.52
  4. Step 4: Simplify right side
    111,029.32x = 6,807,160,438.07
  5. Step 5: Solve for x
    x = 6,807,160,438.07/111,029.32
  6. Step 6: Final answer
    x = 61,309.58

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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.