Home / 45,815.46-68,723.99-14,650.71

Finding the Fourth Proportional to 45,815.46, 68,723.99 and 14,650.71

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Solution

The fourth proportional to 45,815.46, 68,723.99 and 14,650.71 is: 21,976.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,815.46 : 68,723.99 = 14,650.71 : x
  2. Step 2: Convert to fraction form
    45,815.46/68,723.99 = 14,650.71/x
  3. Step 3: Cross multiply
    45,815.46x = 68,723.99 × 14,650.71
  4. Step 4: Simplify right side
    45,815.46x = 1,006,855,174.28
  5. Step 5: Solve for x
    x = 1,006,855,174.28/45,815.46
  6. Step 6: Final answer
    x = 21,976.32

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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.