Home / 109,655.56-164,493.64-30,769.44

Finding the Fourth Proportional to 109,655.56, 164,493.64 and 30,769.44

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Solution

The fourth proportional to 109,655.56, 164,493.64 and 30,769.44 is: 46,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,655.56 : 164,493.64 = 30,769.44 : x
  2. Step 2: Convert to fraction form
    109,655.56/164,493.64 = 30,769.44/x
  3. Step 3: Cross multiply
    109,655.56x = 164,493.64 × 30,769.44
  4. Step 4: Simplify right side
    109,655.56x = 5,061,377,186.36
  5. Step 5: Solve for x
    x = 5,061,377,186.36/109,655.56
  6. Step 6: Final answer
    x = 46,157.05

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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.