Home / 52,113.82-78,170.73-12,670.96

Finding the Fourth Proportional to 52,113.82, 78,170.73 and 12,670.96

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Solution

The fourth proportional to 52,113.82, 78,170.73 and 12,670.96 is: 19,006.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,113.82 : 78,170.73 = 12,670.96 : x
  2. Step 2: Convert to fraction form
    52,113.82/78,170.73 = 12,670.96/x
  3. Step 3: Cross multiply
    52,113.82x = 78,170.73 × 12,670.96
  4. Step 4: Simplify right side
    52,113.82x = 990,498,193.00
  5. Step 5: Solve for x
    x = 990,498,193.00/52,113.82
  6. Step 6: Final answer
    x = 19,006.44

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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.