Home / 73,820.20-110,708.70-26,429.80

Finding the Fourth Proportional to 73,820.20, 110,708.70 and 26,429.80

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Solution

The fourth proportional to 73,820.20, 110,708.70 and 26,429.80 is: 39,636.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,820.20 : 110,708.70 = 26,429.80 : x
  2. Step 2: Convert to fraction form
    73,820.20/110,708.70 = 26,429.80/x
  3. Step 3: Cross multiply
    73,820.20x = 110,708.70 × 26,429.80
  4. Step 4: Simplify right side
    73,820.20x = 2,926,008,799.26
  5. Step 5: Solve for x
    x = 2,926,008,799.26/73,820.20
  6. Step 6: Final answer
    x = 39,636.97

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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.