Home / 83,717.75-115,530.54-45,994.43

Finding the Fourth Proportional to 83,717.75, 115,530.54 and 45,994.43

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Solution

The fourth proportional to 83,717.75, 115,530.54 and 45,994.43 is: 63,472.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,717.75 : 115,530.54 = 45,994.43 : x
  2. Step 2: Convert to fraction form
    83,717.75/115,530.54 = 45,994.43/x
  3. Step 3: Cross multiply
    83,717.75x = 115,530.54 × 45,994.43
  4. Step 4: Simplify right side
    83,717.75x = 5,313,761,334.89
  5. Step 5: Solve for x
    x = 5,313,761,334.89/83,717.75
  6. Step 6: Final answer
    x = 63,472.34

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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.