Home / 56,772.56-85,158.84-21,722.96

Finding the Fourth Proportional to 56,772.56, 85,158.84 and 21,722.96

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Solution

The fourth proportional to 56,772.56, 85,158.84 and 21,722.96 is: 32,584.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,772.56 : 85,158.84 = 21,722.96 : x
  2. Step 2: Convert to fraction form
    56,772.56/85,158.84 = 21,722.96/x
  3. Step 3: Cross multiply
    56,772.56x = 85,158.84 × 21,722.96
  4. Step 4: Simplify right side
    56,772.56x = 1,849,902,074.97
  5. Step 5: Solve for x
    x = 1,849,902,074.97/56,772.56
  6. Step 6: Final answer
    x = 32,584.44

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Similar ratio
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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.