Home / 45,899.43-68,836.59-12,611.58

Finding the Fourth Proportional to 45,899.43, 68,836.59 and 12,611.58

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Solution

The fourth proportional to 45,899.43, 68,836.59 and 12,611.58 is: 18,913.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,899.43 : 68,836.59 = 12,611.58 : x
  2. Step 2: Convert to fraction form
    45,899.43/68,836.59 = 12,611.58/x
  3. Step 3: Cross multiply
    45,899.43x = 68,836.59 × 12,611.58
  4. Step 4: Simplify right side
    45,899.43x = 868,138,161.71
  5. Step 5: Solve for x
    x = 868,138,161.71/45,899.43
  6. Step 6: Final answer
    x = 18,913.92

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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.