Home / 79,975.22-119,950.52-26,668.12

Finding the Fourth Proportional to 79,975.22, 119,950.52 and 26,668.12

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Solution

The fourth proportional to 79,975.22, 119,950.52 and 26,668.12 is: 39,998.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,975.22 : 119,950.52 = 26,668.12 : x
  2. Step 2: Convert to fraction form
    79,975.22/119,950.52 = 26,668.12/x
  3. Step 3: Cross multiply
    79,975.22x = 119,950.52 × 26,668.12
  4. Step 4: Simplify right side
    79,975.22x = 3,198,855,078.03
  5. Step 5: Solve for x
    x = 3,198,855,078.03/79,975.22
  6. Step 6: Final answer
    x = 39,998.08

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1.5x scale

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.