Home / 109,045.53-163,568.07-34,171.43

Finding the Fourth Proportional to 109,045.53, 163,568.07 and 34,171.43

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Solution

The fourth proportional to 109,045.53, 163,568.07 and 34,171.43 is: 51,257.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,045.53 : 163,568.07 = 34,171.43 : x
  2. Step 2: Convert to fraction form
    109,045.53/163,568.07 = 34,171.43/x
  3. Step 3: Cross multiply
    109,045.53x = 163,568.07 × 34,171.43
  4. Step 4: Simplify right side
    109,045.53x = 5,589,354,036.40
  5. Step 5: Solve for x
    x = 5,589,354,036.40/109,045.53
  6. Step 6: Final answer
    x = 51,257.07

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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.