Home / 109,087.34-163,633.02-34,205.80

Finding the Fourth Proportional to 109,087.34, 163,633.02 and 34,205.80

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Solution

The fourth proportional to 109,087.34, 163,633.02 and 34,205.80 is: 51,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,087.34 : 163,633.02 = 34,205.80 : x
  2. Step 2: Convert to fraction form
    109,087.34/163,633.02 = 34,205.80/x
  3. Step 3: Cross multiply
    109,087.34x = 163,633.02 × 34,205.80
  4. Step 4: Simplify right side
    109,087.34x = 5,597,198,355.52
  5. Step 5: Solve for x
    x = 5,597,198,355.52/109,087.34
  6. Step 6: Final answer
    x = 51,309.33

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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.