Home / 117,319.64-161,902.24-63,604.52

Finding the Fourth Proportional to 117,319.64, 161,902.24 and 63,604.52

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Solution

The fourth proportional to 117,319.64, 161,902.24 and 63,604.52 is: 87,774.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,319.64 : 161,902.24 = 63,604.52 : x
  2. Step 2: Convert to fraction form
    117,319.64/161,902.24 = 63,604.52/x
  3. Step 3: Cross multiply
    117,319.64x = 161,902.24 × 63,604.52
  4. Step 4: Simplify right side
    117,319.64x = 10,297,714,262.12
  5. Step 5: Solve for x
    x = 10,297,714,262.12/117,319.64
  6. Step 6: Final answer
    x = 87,774.85

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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.