Home / 53,828.06-74,279.54-31,165.43

Finding the Fourth Proportional to 53,828.06, 74,279.54 and 31,165.43

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Solution

The fourth proportional to 53,828.06, 74,279.54 and 31,165.43 is: 43,006.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,828.06 : 74,279.54 = 31,165.43 : x
  2. Step 2: Convert to fraction form
    53,828.06/74,279.54 = 31,165.43/x
  3. Step 3: Cross multiply
    53,828.06x = 74,279.54 × 31,165.43
  4. Step 4: Simplify right side
    53,828.06x = 2,314,953,277.08
  5. Step 5: Solve for x
    x = 2,314,953,277.08/53,828.06
  6. Step 6: Final answer
    x = 43,006.44

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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.