Home / 117,266.10-161,826.58-63,550.56

Finding the Fourth Proportional to 117,266.10, 161,826.58 and 63,550.56

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Solution

The fourth proportional to 117,266.10, 161,826.58 and 63,550.56 is: 87,699.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,266.10 : 161,826.58 = 63,550.56 : x
  2. Step 2: Convert to fraction form
    117,266.10/161,826.58 = 63,550.56/x
  3. Step 3: Cross multiply
    117,266.10x = 161,826.58 × 63,550.56
  4. Step 4: Simplify right side
    117,266.10x = 10,284,169,781.88
  5. Step 5: Solve for x
    x = 10,284,169,781.88/117,266.10
  6. Step 6: Final answer
    x = 87,699.43

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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.