Home / 79,555.54-119,331.18-19,584.56

Finding the Fourth Proportional to 79,555.54, 119,331.18 and 19,584.56

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Solution

The fourth proportional to 79,555.54, 119,331.18 and 19,584.56 is: 29,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,555.54 : 119,331.18 = 19,584.56 : x
  2. Step 2: Convert to fraction form
    79,555.54/119,331.18 = 19,584.56/x
  3. Step 3: Cross multiply
    79,555.54x = 119,331.18 × 19,584.56
  4. Step 4: Simplify right side
    79,555.54x = 2,337,048,654.58
  5. Step 5: Solve for x
    x = 2,337,048,654.58/79,555.54
  6. Step 6: Final answer
    x = 29,376.32

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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.