Home / 79,438.86-119,172.94-26,133.84

Finding the Fourth Proportional to 79,438.86, 119,172.94 and 26,133.84

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Solution

The fourth proportional to 79,438.86, 119,172.94 and 26,133.84 is: 39,205.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,438.86 : 119,172.94 = 26,133.84 : x
  2. Step 2: Convert to fraction form
    79,438.86/119,172.94 = 26,133.84/x
  3. Step 3: Cross multiply
    79,438.86x = 119,172.94 × 26,133.84
  4. Step 4: Simplify right side
    79,438.86x = 3,114,446,546.29
  5. Step 5: Solve for x
    x = 3,114,446,546.29/79,438.86
  6. Step 6: Final answer
    x = 39,205.58

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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.