Home / 106,571.48-147,058.16-58,821.75

Finding the Fourth Proportional to 106,571.48, 147,058.16 and 58,821.75

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Solution

The fourth proportional to 106,571.48, 147,058.16 and 58,821.75 is: 81,168.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,571.48 : 147,058.16 = 58,821.75 : x
  2. Step 2: Convert to fraction form
    106,571.48/147,058.16 = 58,821.75/x
  3. Step 3: Cross multiply
    106,571.48x = 147,058.16 × 58,821.75
  4. Step 4: Simplify right side
    106,571.48x = 8,650,218,028.87
  5. Step 5: Solve for x
    x = 8,650,218,028.87/106,571.48
  6. Step 6: Final answer
    x = 81,168.23

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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.