Home / 53,618.82-73,990.71-29,419.26

Finding the Fourth Proportional to 53,618.82, 73,990.71 and 29,419.26

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Solution

The fourth proportional to 53,618.82, 73,990.71 and 29,419.26 is: 40,596.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,618.82 : 73,990.71 = 29,419.26 : x
  2. Step 2: Convert to fraction form
    53,618.82/73,990.71 = 29,419.26/x
  3. Step 3: Cross multiply
    53,618.82x = 73,990.71 × 29,419.26
  4. Step 4: Simplify right side
    53,618.82x = 2,176,751,935.07
  5. Step 5: Solve for x
    x = 2,176,751,935.07/53,618.82
  6. Step 6: Final answer
    x = 40,596.79

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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.