Home / 45,813.68-68,736.90-28,263.08

Finding the Fourth Proportional to 45,813.68, 68,736.90 and 28,263.08

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Solution

The fourth proportional to 45,813.68, 68,736.90 and 28,263.08 is: 42,404.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,813.68 : 68,736.90 = 28,263.08 : x
  2. Step 2: Convert to fraction form
    45,813.68/68,736.90 = 28,263.08/x
  3. Step 3: Cross multiply
    45,813.68x = 68,736.90 × 28,263.08
  4. Step 4: Simplify right side
    45,813.68x = 1,942,716,503.65
  5. Step 5: Solve for x
    x = 1,942,716,503.65/45,813.68
  6. Step 6: Final answer
    x = 42,404.73

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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.