Home / 109,388.48-164,086.26-34,509.32

Finding the Fourth Proportional to 109,388.48, 164,086.26 and 34,509.32

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Solution

The fourth proportional to 109,388.48, 164,086.26 and 34,509.32 is: 51,765.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,388.48 : 164,086.26 = 34,509.32 : x
  2. Step 2: Convert to fraction form
    109,388.48/164,086.26 = 34,509.32/x
  3. Step 3: Cross multiply
    109,388.48x = 164,086.26 × 34,509.32
  4. Step 4: Simplify right side
    109,388.48x = 5,662,505,253.94
  5. Step 5: Solve for x
    x = 5,662,505,253.94/109,388.48
  6. Step 6: Final answer
    x = 51,765.10

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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.