Home / 53,981.91-74,495.37-31,334.43

Finding the Fourth Proportional to 53,981.91, 74,495.37 and 31,334.43

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Solution

The fourth proportional to 53,981.91, 74,495.37 and 31,334.43 is: 43,241.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,981.91 : 74,495.37 = 31,334.43 : x
  2. Step 2: Convert to fraction form
    53,981.91/74,495.37 = 31,334.43/x
  3. Step 3: Cross multiply
    53,981.91x = 74,495.37 × 31,334.43
  4. Step 4: Simplify right side
    53,981.91x = 2,334,269,956.59
  5. Step 5: Solve for x
    x = 2,334,269,956.59/53,981.91
  6. Step 6: Final answer
    x = 43,241.71

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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.