Home / 57,217.44-85,767.84-52,172.80

Finding the Fourth Proportional to 57,217.44, 85,767.84 and 52,172.80

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Solution

The fourth proportional to 57,217.44, 85,767.84 and 52,172.80 is: 78,206.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,217.44 : 85,767.84 = 52,172.80 : x
  2. Step 2: Convert to fraction form
    57,217.44/85,767.84 = 52,172.80/x
  3. Step 3: Cross multiply
    57,217.44x = 85,767.84 × 52,172.80
  4. Step 4: Simplify right side
    57,217.44x = 4,474,748,362.75
  5. Step 5: Solve for x
    x = 4,474,748,362.75/57,217.44
  6. Step 6: Final answer
    x = 78,206.02

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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.