Home / 117,049.05-161,527.37-63,334.98

Finding the Fourth Proportional to 117,049.05, 161,527.37 and 63,334.98

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Solution

The fourth proportional to 117,049.05, 161,527.37 and 63,334.98 is: 87,402.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,049.05 : 161,527.37 = 63,334.98 : x
  2. Step 2: Convert to fraction form
    117,049.05/161,527.37 = 63,334.98/x
  3. Step 3: Cross multiply
    117,049.05x = 161,527.37 × 63,334.98
  4. Step 4: Simplify right side
    117,049.05x = 10,230,332,431.73
  5. Step 5: Solve for x
    x = 10,230,332,431.73/117,049.05
  6. Step 6: Final answer
    x = 87,402.10

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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.