Home / 53,383.64-73,672.26-30,726.08

Finding the Fourth Proportional to 53,383.64, 73,672.26 and 30,726.08

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Solution

The fourth proportional to 53,383.64, 73,672.26 and 30,726.08 is: 42,403.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,383.64 : 73,672.26 = 30,726.08 : x
  2. Step 2: Convert to fraction form
    53,383.64/73,672.26 = 30,726.08/x
  3. Step 3: Cross multiply
    53,383.64x = 73,672.26 × 30,726.08
  4. Step 4: Simplify right side
    53,383.64x = 2,263,659,754.54
  5. Step 5: Solve for x
    x = 2,263,659,754.54/53,383.64
  6. Step 6: Final answer
    x = 42,403.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.