Home / 111,481.22-153,800.29-63,708.94

Finding the Fourth Proportional to 111,481.22, 153,800.29 and 63,708.94

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Solution

The fourth proportional to 111,481.22, 153,800.29 and 63,708.94 is: 87,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,481.22 : 153,800.29 = 63,708.94 : x
  2. Step 2: Convert to fraction form
    111,481.22/153,800.29 = 63,708.94/x
  3. Step 3: Cross multiply
    111,481.22x = 153,800.29 × 63,708.94
  4. Step 4: Simplify right side
    111,481.22x = 9,798,452,360.05
  5. Step 5: Solve for x
    x = 9,798,452,360.05/111,481.22
  6. Step 6: Final answer
    x = 87,893.30

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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.