Home / 61,930.96-85,500.13-40,771.73

Finding the Fourth Proportional to 61,930.96, 85,500.13 and 40,771.73

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Solution

The fourth proportional to 61,930.96, 85,500.13 and 40,771.73 is: 56,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,930.96 : 85,500.13 = 40,771.73 : x
  2. Step 2: Convert to fraction form
    61,930.96/85,500.13 = 40,771.73/x
  3. Step 3: Cross multiply
    61,930.96x = 85,500.13 × 40,771.73
  4. Step 4: Simplify right side
    61,930.96x = 3,485,988,113.40
  5. Step 5: Solve for x
    x = 3,485,988,113.40/61,930.96
  6. Step 6: Final answer
    x = 56,288.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.