Home / 109,534.41-164,260.31-38,435.04

Finding the Fourth Proportional to 109,534.41, 164,260.31 and 38,435.04

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Solution

The fourth proportional to 109,534.41, 164,260.31 and 38,435.04 is: 57,638.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,534.41 : 164,260.31 = 38,435.04 : x
  2. Step 2: Convert to fraction form
    109,534.41/164,260.31 = 38,435.04/x
  3. Step 3: Cross multiply
    109,534.41x = 164,260.31 × 38,435.04
  4. Step 4: Simplify right side
    109,534.41x = 6,313,351,393.09
  5. Step 5: Solve for x
    x = 6,313,351,393.09/109,534.41
  6. Step 6: Final answer
    x = 57,638.06

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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.