Home / 117,828.18-162,623.97-75,385.26

Finding the Fourth Proportional to 117,828.18, 162,623.97 and 75,385.26

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Solution

The fourth proportional to 117,828.18, 162,623.97 and 75,385.26 is: 104,045.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,828.18 : 162,623.97 = 75,385.26 : x
  2. Step 2: Convert to fraction form
    117,828.18/162,623.97 = 75,385.26/x
  3. Step 3: Cross multiply
    117,828.18x = 162,623.97 × 75,385.26
  4. Step 4: Simplify right side
    117,828.18x = 12,259,450,260.68
  5. Step 5: Solve for x
    x = 12,259,450,260.68/117,828.18
  6. Step 6: Final answer
    x = 104,045.15

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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.