Home / 53,982.53-74,495.94-31,326.12

Finding the Fourth Proportional to 53,982.53, 74,495.94 and 31,326.12

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Solution

The fourth proportional to 53,982.53, 74,495.94 and 31,326.12 is: 43,230.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,982.53 : 74,495.94 = 31,326.12 : x
  2. Step 2: Convert to fraction form
    53,982.53/74,495.94 = 31,326.12/x
  3. Step 3: Cross multiply
    53,982.53x = 74,495.94 × 31,326.12
  4. Step 4: Simplify right side
    53,982.53x = 2,333,668,561.12
  5. Step 5: Solve for x
    x = 2,333,668,561.12/53,982.53
  6. Step 6: Final answer
    x = 43,230.07

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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.