Home / 57,346.60-85,847.10-51,125.80

Finding the Fourth Proportional to 57,346.60, 85,847.10 and 51,125.80

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Solution

The fourth proportional to 57,346.60, 85,847.10 and 51,125.80 is: 76,534.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,346.60 : 85,847.10 = 51,125.80 : x
  2. Step 2: Convert to fraction form
    57,346.60/85,847.10 = 51,125.80/x
  3. Step 3: Cross multiply
    57,346.60x = 85,847.10 × 51,125.80
  4. Step 4: Simplify right side
    57,346.60x = 4,389,001,665.18
  5. Step 5: Solve for x
    x = 4,389,001,665.18/57,346.60
  6. Step 6: Final answer
    x = 76,534.64

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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.