Home / 82,585.11-123,861.26-40,447.09

Finding the Fourth Proportional to 82,585.11, 123,861.26 and 40,447.09

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Solution

The fourth proportional to 82,585.11, 123,861.26 and 40,447.09 is: 60,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,585.11 : 123,861.26 = 40,447.09 : x
  2. Step 2: Convert to fraction form
    82,585.11/123,861.26 = 40,447.09/x
  3. Step 3: Cross multiply
    82,585.11x = 123,861.26 × 40,447.09
  4. Step 4: Simplify right side
    82,585.11x = 5,009,827,322.20
  5. Step 5: Solve for x
    x = 5,009,827,322.20/82,585.11
  6. Step 6: Final answer
    x = 60,662.60

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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.