Home / 57,731.82-86,795.37-53,403.18

Finding the Fourth Proportional to 57,731.82, 86,795.37 and 53,403.18

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Solution

The fourth proportional to 57,731.82, 86,795.37 and 53,403.18 is: 80,287.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,731.82 : 86,795.37 = 53,403.18 : x
  2. Step 2: Convert to fraction form
    57,731.82/86,795.37 = 53,403.18/x
  3. Step 3: Cross multiply
    57,731.82x = 86,795.37 × 53,403.18
  4. Step 4: Simplify right side
    57,731.82x = 4,635,148,767.28
  5. Step 5: Solve for x
    x = 4,635,148,767.28/57,731.82
  6. Step 6: Final answer
    x = 80,287.59

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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.