Home / 75,432.94-104,092.41-41,434.78

Finding the Fourth Proportional to 75,432.94, 104,092.41 and 41,434.78

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Solution

The fourth proportional to 75,432.94, 104,092.41 and 41,434.78 is: 57,177.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,432.94 : 104,092.41 = 41,434.78 : x
  2. Step 2: Convert to fraction form
    75,432.94/104,092.41 = 41,434.78/x
  3. Step 3: Cross multiply
    75,432.94x = 104,092.41 × 41,434.78
  4. Step 4: Simplify right side
    75,432.94x = 4,313,046,108.02
  5. Step 5: Solve for x
    x = 4,313,046,108.02/75,432.94
  6. Step 6: Final answer
    x = 57,177.22

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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.