Home / 112,052.80-168,078.85-35,121.66

Finding the Fourth Proportional to 112,052.80, 168,078.85 and 35,121.66

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Solution

The fourth proportional to 112,052.80, 168,078.85 and 35,121.66 is: 52,682.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,052.80 : 168,078.85 = 35,121.66 : x
  2. Step 2: Convert to fraction form
    112,052.80/168,078.85 = 35,121.66/x
  3. Step 3: Cross multiply
    112,052.80x = 168,078.85 × 35,121.66
  4. Step 4: Simplify right side
    112,052.80x = 5,903,207,702.35
  5. Step 5: Solve for x
    x = 5,903,207,702.35/112,052.80
  6. Step 6: Final answer
    x = 52,682.38

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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.