Home / 79,664.80-119,513.58-66,608.41

Finding the Fourth Proportional to 79,664.80, 119,513.58 and 66,608.41

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Solution

The fourth proportional to 79,664.80, 119,513.58 and 66,608.41 is: 99,926.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,664.80 : 119,513.58 = 66,608.41 : x
  2. Step 2: Convert to fraction form
    79,664.80/119,513.58 = 66,608.41/x
  3. Step 3: Cross multiply
    79,664.80x = 119,513.58 × 66,608.41
  4. Step 4: Simplify right side
    79,664.80x = 7,960,609,537.21
  5. Step 5: Solve for x
    x = 7,960,609,537.21/79,664.80
  6. Step 6: Final answer
    x = 99,926.31

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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.