Home / 79,450.52-119,160.03-39,427.73

Finding the Fourth Proportional to 79,450.52, 119,160.03 and 39,427.73

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Solution

The fourth proportional to 79,450.52, 119,160.03 and 39,427.73 is: 59,133.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,450.52 : 119,160.03 = 39,427.73 : x
  2. Step 2: Convert to fraction form
    79,450.52/119,160.03 = 39,427.73/x
  3. Step 3: Cross multiply
    79,450.52x = 119,160.03 × 39,427.73
  4. Step 4: Simplify right side
    79,450.52x = 4,698,209,489.63
  5. Step 5: Solve for x
    x = 4,698,209,489.63/79,450.52
  6. Step 6: Final answer
    x = 59,133.78

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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.