Home / 57,228.20-85,842.30-48,771.80

Finding the Fourth Proportional to 57,228.20, 85,842.30 and 48,771.80

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Solution

The fourth proportional to 57,228.20, 85,842.30 and 48,771.80 is: 73,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,228.20 : 85,842.30 = 48,771.80 : x
  2. Step 2: Convert to fraction form
    57,228.20/85,842.30 = 48,771.80/x
  3. Step 3: Cross multiply
    57,228.20x = 85,842.30 × 48,771.80
  4. Step 4: Simplify right side
    57,228.20x = 4,186,683,487.14
  5. Step 5: Solve for x
    x = 4,186,683,487.14/57,228.20
  6. Step 6: Final answer
    x = 73,157.70

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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.