Home / 75,090.52-103,628.14-41,556.52

Finding the Fourth Proportional to 75,090.52, 103,628.14 and 41,556.52

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Solution

The fourth proportional to 75,090.52, 103,628.14 and 41,556.52 is: 57,349.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,090.52 : 103,628.14 = 41,556.52 : x
  2. Step 2: Convert to fraction form
    75,090.52/103,628.14 = 41,556.52/x
  3. Step 3: Cross multiply
    75,090.52x = 103,628.14 × 41,556.52
  4. Step 4: Simplify right side
    75,090.52x = 4,306,424,872.47
  5. Step 5: Solve for x
    x = 4,306,424,872.47/75,090.52
  6. Step 6: Final answer
    x = 57,349.78

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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.