Home / 52,768.20-78,998.70-51,232.20

Finding the Fourth Proportional to 52,768.20, 78,998.70 and 51,232.20

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Solution

The fourth proportional to 52,768.20, 78,998.70 and 51,232.20 is: 76,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,768.20 : 78,998.70 = 51,232.20 : x
  2. Step 2: Convert to fraction form
    52,768.20/78,998.70 = 51,232.20/x
  3. Step 3: Cross multiply
    52,768.20x = 78,998.70 × 51,232.20
  4. Step 4: Simplify right side
    52,768.20x = 4,047,277,198.14
  5. Step 5: Solve for x
    x = 4,047,277,198.14/52,768.20
  6. Step 6: Final answer
    x = 76,699.17

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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.