Home / 76,239.87-114,370.83-28,842.11

Finding the Fourth Proportional to 76,239.87, 114,370.83 and 28,842.11

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Solution

The fourth proportional to 76,239.87, 114,370.83 and 28,842.11 is: 43,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,239.87 : 114,370.83 = 28,842.11 : x
  2. Step 2: Convert to fraction form
    76,239.87/114,370.83 = 28,842.11/x
  3. Step 3: Cross multiply
    76,239.87x = 114,370.83 × 28,842.11
  4. Step 4: Simplify right side
    76,239.87x = 3,298,695,487.80
  5. Step 5: Solve for x
    x = 3,298,695,487.80/76,239.87
  6. Step 6: Final answer
    x = 43,267.33

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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.