Home / 80,530.36-111,133.39-44,723.70

Finding the Fourth Proportional to 80,530.36, 111,133.39 and 44,723.70

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Solution

The fourth proportional to 80,530.36, 111,133.39 and 44,723.70 is: 61,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,530.36 : 111,133.39 = 44,723.70 : x
  2. Step 2: Convert to fraction form
    80,530.36/111,133.39 = 44,723.70/x
  3. Step 3: Cross multiply
    80,530.36x = 111,133.39 × 44,723.70
  4. Step 4: Simplify right side
    80,530.36x = 4,970,296,394.34
  5. Step 5: Solve for x
    x = 4,970,296,394.34/80,530.36
  6. Step 6: Final answer
    x = 61,719.54

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.