Home / 117,076.27-161,565.45-63,361.34

Finding the Fourth Proportional to 117,076.27, 161,565.45 and 63,361.34

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Solution

The fourth proportional to 117,076.27, 161,565.45 and 63,361.34 is: 87,438.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,076.27 : 161,565.45 = 63,361.34 : x
  2. Step 2: Convert to fraction form
    117,076.27/161,565.45 = 63,361.34/x
  3. Step 3: Cross multiply
    117,076.27x = 161,565.45 × 63,361.34
  4. Step 4: Simplify right side
    117,076.27x = 10,237,003,409.70
  5. Step 5: Solve for x
    x = 10,237,003,409.70/117,076.27
  6. Step 6: Final answer
    x = 87,438.76

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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.