Home / 52,140.70-78,191.61-27,170.02

Finding the Fourth Proportional to 52,140.70, 78,191.61 and 27,170.02

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Solution

The fourth proportional to 52,140.70, 78,191.61 and 27,170.02 is: 40,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,140.70 : 78,191.61 = 27,170.02 : x
  2. Step 2: Convert to fraction form
    52,140.70/78,191.61 = 27,170.02/x
  3. Step 3: Cross multiply
    52,140.70x = 78,191.61 × 27,170.02
  4. Step 4: Simplify right side
    52,140.70x = 2,124,467,607.53
  5. Step 5: Solve for x
    x = 2,124,467,607.53/52,140.70
  6. Step 6: Final answer
    x = 40,744.90

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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.