Home / 113,379.13-169,809.49-54,256.33

Finding the Fourth Proportional to 113,379.13, 169,809.49 and 54,256.33

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Solution

The fourth proportional to 113,379.13, 169,809.49 and 54,256.33 is: 81,260.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,379.13 : 169,809.49 = 54,256.33 : x
  2. Step 2: Convert to fraction form
    113,379.13/169,809.49 = 54,256.33/x
  3. Step 3: Cross multiply
    113,379.13x = 169,809.49 × 54,256.33
  4. Step 4: Simplify right side
    113,379.13x = 9,213,239,726.57
  5. Step 5: Solve for x
    x = 9,213,239,726.57/113,379.13
  6. Step 6: Final answer
    x = 81,260.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.