Home / 117,081.06-175,638.69-38,175.90

Finding the Fourth Proportional to 117,081.06, 175,638.69 and 38,175.90

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Solution

The fourth proportional to 117,081.06, 175,638.69 and 38,175.90 is: 57,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,081.06 : 175,638.69 = 38,175.90 : x
  2. Step 2: Convert to fraction form
    117,081.06/175,638.69 = 38,175.90/x
  3. Step 3: Cross multiply
    117,081.06x = 175,638.69 × 38,175.90
  4. Step 4: Simplify right side
    117,081.06x = 6,705,165,065.57
  5. Step 5: Solve for x
    x = 6,705,165,065.57/117,081.06
  6. Step 6: Final answer
    x = 57,269.43

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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.