Home / 52,062.84-78,093.57-12,620.31

Finding the Fourth Proportional to 52,062.84, 78,093.57 and 12,620.31

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Solution

The fourth proportional to 52,062.84, 78,093.57 and 12,620.31 is: 18,930.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,062.84 : 78,093.57 = 12,620.31 : x
  2. Step 2: Convert to fraction form
    52,062.84/78,093.57 = 12,620.31/x
  3. Step 3: Cross multiply
    52,062.84x = 78,093.57 × 12,620.31
  4. Step 4: Simplify right side
    52,062.84x = 985,565,062.41
  5. Step 5: Solve for x
    x = 985,565,062.41/52,062.84
  6. Step 6: Final answer
    x = 18,930.30

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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.