Home / 79,823.46-119,747.50-27,220.64

Finding the Fourth Proportional to 79,823.46, 119,747.50 and 27,220.64

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Solution

The fourth proportional to 79,823.46, 119,747.50 and 27,220.64 is: 40,835.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,823.46 : 119,747.50 = 27,220.64 : x
  2. Step 2: Convert to fraction form
    79,823.46/119,747.50 = 27,220.64/x
  3. Step 3: Cross multiply
    79,823.46x = 119,747.50 × 27,220.64
  4. Step 4: Simplify right side
    79,823.46x = 3,259,603,595.19
  5. Step 5: Solve for x
    x = 3,259,603,595.19/79,823.46
  6. Step 6: Final answer
    x = 40,835.16

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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.