Home / 53,693.76-80,580.96-27,420.48

Finding the Fourth Proportional to 53,693.76, 80,580.96 and 27,420.48

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Solution

The fourth proportional to 53,693.76, 80,580.96 and 27,420.48 is: 41,151.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,693.76 : 80,580.96 = 27,420.48 : x
  2. Step 2: Convert to fraction form
    53,693.76/80,580.96 = 27,420.48/x
  3. Step 3: Cross multiply
    53,693.76x = 80,580.96 × 27,420.48
  4. Step 4: Simplify right side
    53,693.76x = 2,209,568,602.06
  5. Step 5: Solve for x
    x = 2,209,568,602.06/53,693.76
  6. Step 6: Final answer
    x = 41,151.31

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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.