Home / 61,917.12-85,447.32-36,425.28

Finding the Fourth Proportional to 61,917.12, 85,447.32 and 36,425.28

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Solution

The fourth proportional to 61,917.12, 85,447.32 and 36,425.28 is: 50,267.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,917.12 : 85,447.32 = 36,425.28 : x
  2. Step 2: Convert to fraction form
    61,917.12/85,447.32 = 36,425.28/x
  3. Step 3: Cross multiply
    61,917.12x = 85,447.32 × 36,425.28
  4. Step 4: Simplify right side
    61,917.12x = 3,112,442,556.25
  5. Step 5: Solve for x
    x = 3,112,442,556.25/61,917.12
  6. Step 6: Final answer
    x = 50,267.88

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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.