Home / 75,405.28-104,058.48-41,871.52

Finding the Fourth Proportional to 75,405.28, 104,058.48 and 41,871.52

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Solution

The fourth proportional to 75,405.28, 104,058.48 and 41,871.52 is: 57,782.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,405.28 : 104,058.48 = 41,871.52 : x
  2. Step 2: Convert to fraction form
    75,405.28/104,058.48 = 41,871.52/x
  3. Step 3: Cross multiply
    75,405.28x = 104,058.48 × 41,871.52
  4. Step 4: Simplify right side
    75,405.28x = 4,357,086,726.49
  5. Step 5: Solve for x
    x = 4,357,086,726.49/75,405.28
  6. Step 6: Final answer
    x = 57,782.25

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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.