Home / 76,019.49-104,909.84-50,481.81

Finding the Fourth Proportional to 76,019.49, 104,909.84 and 50,481.81

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Solution

The fourth proportional to 76,019.49, 104,909.84 and 50,481.81 is: 69,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,019.49 : 104,909.84 = 50,481.81 : x
  2. Step 2: Convert to fraction form
    76,019.49/104,909.84 = 50,481.81/x
  3. Step 3: Cross multiply
    76,019.49x = 104,909.84 × 50,481.81
  4. Step 4: Simplify right side
    76,019.49x = 5,296,038,610.01
  5. Step 5: Solve for x
    x = 5,296,038,610.01/76,019.49
  6. Step 6: Final answer
    x = 69,666.85

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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.