Home / 53,948.48-74,447.43-31,286.02

Finding the Fourth Proportional to 53,948.48, 74,447.43 and 31,286.02

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Solution

The fourth proportional to 53,948.48, 74,447.43 and 31,286.02 is: 43,173.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,948.48 : 74,447.43 = 31,286.02 : x
  2. Step 2: Convert to fraction form
    53,948.48/74,447.43 = 31,286.02/x
  3. Step 3: Cross multiply
    53,948.48x = 74,447.43 × 31,286.02
  4. Step 4: Simplify right side
    53,948.48x = 2,329,163,917.45
  5. Step 5: Solve for x
    x = 2,329,163,917.45/53,948.48
  6. Step 6: Final answer
    x = 43,173.86

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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.