Home / 109,610.20-164,415.30-30,737.80

Finding the Fourth Proportional to 109,610.20, 164,415.30 and 30,737.80

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Solution

The fourth proportional to 109,610.20, 164,415.30 and 30,737.80 is: 46,106.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,610.20 : 164,415.30 = 30,737.80 : x
  2. Step 2: Convert to fraction form
    109,610.20/164,415.30 = 30,737.80/x
  3. Step 3: Cross multiply
    109,610.20x = 164,415.30 × 30,737.80
  4. Step 4: Simplify right side
    109,610.20x = 5,053,764,608.34
  5. Step 5: Solve for x
    x = 5,053,764,608.34/109,610.20
  6. Step 6: Final answer
    x = 46,106.70

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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.