Home / 45,759.87-68,632.75-12,482.64

Finding the Fourth Proportional to 45,759.87, 68,632.75 and 12,482.64

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Solution

The fourth proportional to 45,759.87, 68,632.75 and 12,482.64 is: 18,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,759.87 : 68,632.75 = 12,482.64 : x
  2. Step 2: Convert to fraction form
    45,759.87/68,632.75 = 12,482.64/x
  3. Step 3: Cross multiply
    45,759.87x = 68,632.75 × 12,482.64
  4. Step 4: Simplify right side
    45,759.87x = 856,717,926.06
  5. Step 5: Solve for x
    x = 856,717,926.06/45,759.87
  6. Step 6: Final answer
    x = 18,722.04

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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.