Home / 45,706.32-68,568.12-16,120.80

Finding the Fourth Proportional to 45,706.32, 68,568.12 and 16,120.80

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Solution

The fourth proportional to 45,706.32, 68,568.12 and 16,120.80 is: 24,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,706.32 : 68,568.12 = 16,120.80 : x
  2. Step 2: Convert to fraction form
    45,706.32/68,568.12 = 16,120.80/x
  3. Step 3: Cross multiply
    45,706.32x = 68,568.12 × 16,120.80
  4. Step 4: Simplify right side
    45,706.32x = 1,105,372,948.90
  5. Step 5: Solve for x
    x = 1,105,372,948.90/45,706.32
  6. Step 6: Final answer
    x = 24,184.25

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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.