Home / 117,016.40-175,539-38,109.44

Finding the Fourth Proportional to 117,016.40, 175,539 and 38,109.44

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Solution

The fourth proportional to 117,016.40, 175,539 and 38,109.44 is: 57,168.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,016.40 : 175,539 = 38,109.44 : x
  2. Step 2: Convert to fraction form
    117,016.40/175,539 = 38,109.44/x
  3. Step 3: Cross multiply
    117,016.40x = 175,539 × 38,109.44
  4. Step 4: Simplify right side
    117,016.40x = 6,689,692,988.16
  5. Step 5: Solve for x
    x = 6,689,692,988.16/117,016.40
  6. Step 6: Final answer
    x = 57,168.85

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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.