Home / 45,862.28-68,786.05-12,574.62

Finding the Fourth Proportional to 45,862.28, 68,786.05 and 12,574.62

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Solution

The fourth proportional to 45,862.28, 68,786.05 and 12,574.62 is: 18,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,862.28 : 68,786.05 = 12,574.62 : x
  2. Step 2: Convert to fraction form
    45,862.28/68,786.05 = 12,574.62/x
  3. Step 3: Cross multiply
    45,862.28x = 68,786.05 × 12,574.62
  4. Step 4: Simplify right side
    45,862.28x = 864,958,377.18
  5. Step 5: Solve for x
    x = 864,958,377.18/45,862.28
  6. Step 6: Final answer
    x = 18,859.91

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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.