Home / 52,781.94-79,184.43-17,720.67

Finding the Fourth Proportional to 52,781.94, 79,184.43 and 17,720.67

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Solution

The fourth proportional to 52,781.94, 79,184.43 and 17,720.67 is: 26,584.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,781.94 : 79,184.43 = 17,720.67 : x
  2. Step 2: Convert to fraction form
    52,781.94/79,184.43 = 17,720.67/x
  3. Step 3: Cross multiply
    52,781.94x = 79,184.43 × 17,720.67
  4. Step 4: Simplify right side
    52,781.94x = 1,403,201,153.17
  5. Step 5: Solve for x
    x = 1,403,201,153.17/52,781.94
  6. Step 6: Final answer
    x = 26,584.87

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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.