Home / 53,753.64-80,632.26-18,693.60

Finding the Fourth Proportional to 53,753.64, 80,632.26 and 18,693.60

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Solution

The fourth proportional to 53,753.64, 80,632.26 and 18,693.60 is: 28,041.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,753.64 : 80,632.26 = 18,693.60 : x
  2. Step 2: Convert to fraction form
    53,753.64/80,632.26 = 18,693.60/x
  3. Step 3: Cross multiply
    53,753.64x = 80,632.26 × 18,693.60
  4. Step 4: Simplify right side
    53,753.64x = 1,507,307,215.54
  5. Step 5: Solve for x
    x = 1,507,307,215.54/53,753.64
  6. Step 6: Final answer
    x = 28,041.03

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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.