Home / 40,081.92-60,128.34-16,702.89

Finding the Fourth Proportional to 40,081.92, 60,128.34 and 16,702.89

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Solution

The fourth proportional to 40,081.92, 60,128.34 and 16,702.89 is: 25,056.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,081.92 : 60,128.34 = 16,702.89 : x
  2. Step 2: Convert to fraction form
    40,081.92/60,128.34 = 16,702.89/x
  3. Step 3: Cross multiply
    40,081.92x = 60,128.34 × 16,702.89
  4. Step 4: Simplify right side
    40,081.92x = 1,004,317,048.90
  5. Step 5: Solve for x
    x = 1,004,317,048.90/40,081.92
  6. Step 6: Final answer
    x = 25,056.61

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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.