Home / 117,051.27-161,529.54-63,335.10

Finding the Fourth Proportional to 117,051.27, 161,529.54 and 63,335.10

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Solution

The fourth proportional to 117,051.27, 161,529.54 and 63,335.10 is: 87,401.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,051.27 : 161,529.54 = 63,335.10 : x
  2. Step 2: Convert to fraction form
    117,051.27/161,529.54 = 63,335.10/x
  3. Step 3: Cross multiply
    117,051.27x = 161,529.54 × 63,335.10
  4. Step 4: Simplify right side
    117,051.27x = 10,230,489,568.85
  5. Step 5: Solve for x
    x = 10,230,489,568.85/117,051.27
  6. Step 6: Final answer
    x = 87,401.78

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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.