Home / 53,837.28-80,704.08-28,859.04

Finding the Fourth Proportional to 53,837.28, 80,704.08 and 28,859.04

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Solution

The fourth proportional to 53,837.28, 80,704.08 and 28,859.04 is: 43,260.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,837.28 : 80,704.08 = 28,859.04 : x
  2. Step 2: Convert to fraction form
    53,837.28/80,704.08 = 28,859.04/x
  3. Step 3: Cross multiply
    53,837.28x = 80,704.08 × 28,859.04
  4. Step 4: Simplify right side
    53,837.28x = 2,329,042,272.88
  5. Step 5: Solve for x
    x = 2,329,042,272.88/53,837.28
  6. Step 6: Final answer
    x = 43,260.77

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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.