Home / 75,448.22-104,120.80-41,913.50

Finding the Fourth Proportional to 75,448.22, 104,120.80 and 41,913.50

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Solution

The fourth proportional to 75,448.22, 104,120.80 and 41,913.50 is: 57,841.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,448.22 : 104,120.80 = 41,913.50 : x
  2. Step 2: Convert to fraction form
    75,448.22/104,120.80 = 41,913.50/x
  3. Step 3: Cross multiply
    75,448.22x = 104,120.80 × 41,913.50
  4. Step 4: Simplify right side
    75,448.22x = 4,364,067,150.80
  5. Step 5: Solve for x
    x = 4,364,067,150.80/75,448.22
  6. Step 6: Final answer
    x = 57,841.88

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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.