Home / 57,218.60-85,827.90-38,556.20

Finding the Fourth Proportional to 57,218.60, 85,827.90 and 38,556.20

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Solution

The fourth proportional to 57,218.60, 85,827.90 and 38,556.20 is: 57,834.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,218.60 : 85,827.90 = 38,556.20 : x
  2. Step 2: Convert to fraction form
    57,218.60/85,827.90 = 38,556.20/x
  3. Step 3: Cross multiply
    57,218.60x = 85,827.90 × 38,556.20
  4. Step 4: Simplify right side
    57,218.60x = 3,309,197,677.98
  5. Step 5: Solve for x
    x = 3,309,197,677.98/57,218.60
  6. Step 6: Final answer
    x = 57,834.30

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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.