Home / 44,467.60-66,701.40-28,721.20

Finding the Fourth Proportional to 44,467.60, 66,701.40 and 28,721.20

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Solution

The fourth proportional to 44,467.60, 66,701.40 and 28,721.20 is: 43,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,467.60 : 66,701.40 = 28,721.20 : x
  2. Step 2: Convert to fraction form
    44,467.60/66,701.40 = 28,721.20/x
  3. Step 3: Cross multiply
    44,467.60x = 66,701.40 × 28,721.20
  4. Step 4: Simplify right side
    44,467.60x = 1,915,744,249.68
  5. Step 5: Solve for x
    x = 1,915,744,249.68/44,467.60
  6. Step 6: Final answer
    x = 43,081.80

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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.