Home / 78,610.82-108,519.48-46,335.26

Finding the Fourth Proportional to 78,610.82, 108,519.48 and 46,335.26

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Solution

The fourth proportional to 78,610.82, 108,519.48 and 46,335.26 is: 63,964.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,610.82 : 108,519.48 = 46,335.26 : x
  2. Step 2: Convert to fraction form
    78,610.82/108,519.48 = 46,335.26/x
  3. Step 3: Cross multiply
    78,610.82x = 108,519.48 × 46,335.26
  4. Step 4: Simplify right side
    78,610.82x = 5,028,278,320.86
  5. Step 5: Solve for x
    x = 5,028,278,320.86/78,610.82
  6. Step 6: Final answer
    x = 63,964.20

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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.