Home / 52,228.53-78,312.75-27,855.12

Finding the Fourth Proportional to 52,228.53, 78,312.75 and 27,855.12

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Solution

The fourth proportional to 52,228.53, 78,312.75 and 27,855.12 is: 41,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,228.53 : 78,312.75 = 27,855.12 : x
  2. Step 2: Convert to fraction form
    52,228.53/78,312.75 = 27,855.12/x
  3. Step 3: Cross multiply
    52,228.53x = 78,312.75 × 27,855.12
  4. Step 4: Simplify right side
    52,228.53x = 2,181,410,755.11
  5. Step 5: Solve for x
    x = 2,181,410,755.11/52,228.53
  6. Step 6: Final answer
    x = 41,766.65

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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.