Home / 117,236.34-161,785.93-63,522.81

Finding the Fourth Proportional to 117,236.34, 161,785.93 and 63,522.81

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Solution

The fourth proportional to 117,236.34, 161,785.93 and 63,522.81 is: 87,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,236.34 : 161,785.93 = 63,522.81 : x
  2. Step 2: Convert to fraction form
    117,236.34/161,785.93 = 63,522.81/x
  3. Step 3: Cross multiply
    117,236.34x = 161,785.93 × 63,522.81
  4. Step 4: Simplify right side
    117,236.34x = 10,277,097,375.93
  5. Step 5: Solve for x
    x = 10,277,097,375.93/117,236.34
  6. Step 6: Final answer
    x = 87,661.36

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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.