Home / 73,626.20-110,440.26-21,037.40

Finding the Fourth Proportional to 73,626.20, 110,440.26 and 21,037.40

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Solution

The fourth proportional to 73,626.20, 110,440.26 and 21,037.40 is: 31,556.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,626.20 : 110,440.26 = 21,037.40 : x
  2. Step 2: Convert to fraction form
    73,626.20/110,440.26 = 21,037.40/x
  3. Step 3: Cross multiply
    73,626.20x = 110,440.26 × 21,037.40
  4. Step 4: Simplify right side
    73,626.20x = 2,323,375,925.72
  5. Step 5: Solve for x
    x = 2,323,375,925.72/73,626.20
  6. Step 6: Final answer
    x = 31,556.37

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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.