Home / 109,655.54-164,489.18-34,781.36

Finding the Fourth Proportional to 109,655.54, 164,489.18 and 34,781.36

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Solution

The fourth proportional to 109,655.54, 164,489.18 and 34,781.36 is: 52,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,655.54 : 164,489.18 = 34,781.36 : x
  2. Step 2: Convert to fraction form
    109,655.54/164,489.18 = 34,781.36/x
  3. Step 3: Cross multiply
    109,655.54x = 164,489.18 × 34,781.36
  4. Step 4: Simplify right side
    109,655.54x = 5,721,157,385.68
  5. Step 5: Solve for x
    x = 5,721,157,385.68/109,655.54
  6. Step 6: Final answer
    x = 52,173.90

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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.