Home / 45,860.30-68,785.83-12,583.71

Finding the Fourth Proportional to 45,860.30, 68,785.83 and 12,583.71

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Solution

The fourth proportional to 45,860.30, 68,785.83 and 12,583.71 is: 18,874.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,860.30 : 68,785.83 = 12,583.71 : x
  2. Step 2: Convert to fraction form
    45,860.30/68,785.83 = 12,583.71/x
  3. Step 3: Cross multiply
    45,860.30x = 68,785.83 × 12,583.71
  4. Step 4: Simplify right side
    45,860.30x = 865,580,936.83
  5. Step 5: Solve for x
    x = 865,580,936.83/45,860.30
  6. Step 6: Final answer
    x = 18,874.30

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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.