Home / 84,028.88-115,958.33-45,788.75

Finding the Fourth Proportional to 84,028.88, 115,958.33 and 45,788.75

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Solution

The fourth proportional to 84,028.88, 115,958.33 and 45,788.75 is: 63,187.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,028.88 : 115,958.33 = 45,788.75 : x
  2. Step 2: Convert to fraction form
    84,028.88/115,958.33 = 45,788.75/x
  3. Step 3: Cross multiply
    84,028.88x = 115,958.33 × 45,788.75
  4. Step 4: Simplify right side
    84,028.88x = 5,309,586,174.05
  5. Step 5: Solve for x
    x = 5,309,586,174.05/84,028.88
  6. Step 6: Final answer
    x = 63,187.64

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1.5x scale

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.