Home / 117,091.92-175,638-54,806.16

Finding the Fourth Proportional to 117,091.92, 175,638 and 54,806.16

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Solution

The fourth proportional to 117,091.92, 175,638 and 54,806.16 is: 82,209.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,091.92 : 175,638 = 54,806.16 : x
  2. Step 2: Convert to fraction form
    117,091.92/175,638 = 54,806.16/x
  3. Step 3: Cross multiply
    117,091.92x = 175,638 × 54,806.16
  4. Step 4: Simplify right side
    117,091.92x = 9,626,044,330.08
  5. Step 5: Solve for x
    x = 9,626,044,330.08/117,091.92
  6. Step 6: Final answer
    x = 82,209.30

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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.