Home / 45,819.32-68,731.25-14,250.88

Finding the Fourth Proportional to 45,819.32, 68,731.25 and 14,250.88

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Solution

The fourth proportional to 45,819.32, 68,731.25 and 14,250.88 is: 21,377.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,819.32 : 68,731.25 = 14,250.88 : x
  2. Step 2: Convert to fraction form
    45,819.32/68,731.25 = 14,250.88/x
  3. Step 3: Cross multiply
    45,819.32x = 68,731.25 × 14,250.88
  4. Step 4: Simplify right side
    45,819.32x = 979,480,552.92
  5. Step 5: Solve for x
    x = 979,480,552.92/45,819.32
  6. Step 6: Final answer
    x = 21,377.02

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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.