Home / 52,067.88-78,102.07-12,624.99

Finding the Fourth Proportional to 52,067.88, 78,102.07 and 12,624.99

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Solution

The fourth proportional to 52,067.88, 78,102.07 and 12,624.99 is: 18,937.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,067.88 : 78,102.07 = 12,624.99 : x
  2. Step 2: Convert to fraction form
    52,067.88/78,102.07 = 12,624.99/x
  3. Step 3: Cross multiply
    52,067.88x = 78,102.07 × 12,624.99
  4. Step 4: Simplify right side
    52,067.88x = 986,037,852.73
  5. Step 5: Solve for x
    x = 986,037,852.73/52,067.88
  6. Step 6: Final answer
    x = 18,937.55

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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.