Home / 75,422.76-104,080.52-41,890.92

Finding the Fourth Proportional to 75,422.76, 104,080.52 and 41,890.92

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Solution

The fourth proportional to 75,422.76, 104,080.52 and 41,890.92 is: 57,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,422.76 : 104,080.52 = 41,890.92 : x
  2. Step 2: Convert to fraction form
    75,422.76/104,080.52 = 41,890.92/x
  3. Step 3: Cross multiply
    75,422.76x = 104,080.52 × 41,890.92
  4. Step 4: Simplify right side
    75,422.76x = 4,360,028,736.88
  5. Step 5: Solve for x
    x = 4,360,028,736.88/75,422.76
  6. Step 6: Final answer
    x = 57,807.87

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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.