Home / 79,716.55-119,591.69-26,405.51

Finding the Fourth Proportional to 79,716.55, 119,591.69 and 26,405.51

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Solution

The fourth proportional to 79,716.55, 119,591.69 and 26,405.51 is: 39,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,716.55 : 119,591.69 = 26,405.51 : x
  2. Step 2: Convert to fraction form
    79,716.55/119,591.69 = 26,405.51/x
  3. Step 3: Cross multiply
    79,716.55x = 119,591.69 × 26,405.51
  4. Step 4: Simplify right side
    79,716.55x = 3,157,879,267.23
  5. Step 5: Solve for x
    x = 3,157,879,267.23/79,716.55
  6. Step 6: Final answer
    x = 39,613.85

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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.