Home / 75,605.22-113,260.14-55,577.88

Finding the Fourth Proportional to 75,605.22, 113,260.14 and 55,577.88

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Solution

The fourth proportional to 75,605.22, 113,260.14 and 55,577.88 is: 83,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,605.22 : 113,260.14 = 55,577.88 : x
  2. Step 2: Convert to fraction form
    75,605.22/113,260.14 = 55,577.88/x
  3. Step 3: Cross multiply
    75,605.22x = 113,260.14 × 55,577.88
  4. Step 4: Simplify right side
    75,605.22x = 6,294,758,469.70
  5. Step 5: Solve for x
    x = 6,294,758,469.70/75,605.22
  6. Step 6: Final answer
    x = 83,258.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.