Home / 75,443.36-104,112.96-41,911.52

Finding the Fourth Proportional to 75,443.36, 104,112.96 and 41,911.52

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Solution

The fourth proportional to 75,443.36, 104,112.96 and 41,911.52 is: 57,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,443.36 : 104,112.96 = 41,911.52 : x
  2. Step 2: Convert to fraction form
    75,443.36/104,112.96 = 41,911.52/x
  3. Step 3: Cross multiply
    75,443.36x = 104,112.96 × 41,911.52
  4. Step 4: Simplify right side
    75,443.36x = 4,363,532,405.30
  5. Step 5: Solve for x
    x = 4,363,532,405.30/75,443.36
  6. Step 6: Final answer
    x = 57,838.52

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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.