Home / 52,067.87-78,101.55-12,624.99

Finding the Fourth Proportional to 52,067.87, 78,101.55 and 12,624.99

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Solution

The fourth proportional to 52,067.87, 78,101.55 and 12,624.99 is: 18,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,067.87 : 78,101.55 = 12,624.99 : x
  2. Step 2: Convert to fraction form
    52,067.87/78,101.55 = 12,624.99/x
  3. Step 3: Cross multiply
    52,067.87x = 78,101.55 × 12,624.99
  4. Step 4: Simplify right side
    52,067.87x = 986,031,287.73
  5. Step 5: Solve for x
    x = 986,031,287.73/52,067.87
  6. Step 6: Final answer
    x = 18,937.42

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1.5x scale

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.