Home / 80,868.87-111,597.56-45,058.11

Finding the Fourth Proportional to 80,868.87, 111,597.56 and 45,058.11

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Solution

The fourth proportional to 80,868.87, 111,597.56 and 45,058.11 is: 62,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,868.87 : 111,597.56 = 45,058.11 : x
  2. Step 2: Convert to fraction form
    80,868.87/111,597.56 = 45,058.11/x
  3. Step 3: Cross multiply
    80,868.87x = 111,597.56 × 45,058.11
  4. Step 4: Simplify right side
    80,868.87x = 5,028,374,659.40
  5. Step 5: Solve for x
    x = 5,028,374,659.40/80,868.87
  6. Step 6: Final answer
    x = 62,179.36

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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.