Home / 109,457.21-164,185.82-50,342.60

Finding the Fourth Proportional to 109,457.21, 164,185.82 and 50,342.60

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Solution

The fourth proportional to 109,457.21, 164,185.82 and 50,342.60 is: 75,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,457.21 : 164,185.82 = 50,342.60 : x
  2. Step 2: Convert to fraction form
    109,457.21/164,185.82 = 50,342.60/x
  3. Step 3: Cross multiply
    109,457.21x = 164,185.82 × 50,342.60
  4. Step 4: Simplify right side
    109,457.21x = 8,265,541,409.47
  5. Step 5: Solve for x
    x = 8,265,541,409.47/109,457.21
  6. Step 6: Final answer
    x = 75,513.90

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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.