Home / 109,695.12-164,323.44-50,449.60

Finding the Fourth Proportional to 109,695.12, 164,323.44 and 50,449.60

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Solution

The fourth proportional to 109,695.12, 164,323.44 and 50,449.60 is: 75,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,695.12 : 164,323.44 = 50,449.60 : x
  2. Step 2: Convert to fraction form
    109,695.12/164,323.44 = 50,449.60/x
  3. Step 3: Cross multiply
    109,695.12x = 164,323.44 × 50,449.60
  4. Step 4: Simplify right side
    109,695.12x = 8,290,051,818.62
  5. Step 5: Solve for x
    x = 8,290,051,818.62/109,695.12
  6. Step 6: Final answer
    x = 75,573.57

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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.