Home / 53,833.08-80,750.04-18,772.78

Finding the Fourth Proportional to 53,833.08, 80,750.04 and 18,772.78

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Solution

The fourth proportional to 53,833.08, 80,750.04 and 18,772.78 is: 28,159.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,833.08 : 80,750.04 = 18,772.78 : x
  2. Step 2: Convert to fraction form
    53,833.08/80,750.04 = 18,772.78/x
  3. Step 3: Cross multiply
    53,833.08x = 80,750.04 × 18,772.78
  4. Step 4: Simplify right side
    53,833.08x = 1,515,902,735.91
  5. Step 5: Solve for x
    x = 1,515,902,735.91/53,833.08
  6. Step 6: Final answer
    x = 28,159.32

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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.