Home / 57,005.12-85,509.15-27,012.32

Finding the Fourth Proportional to 57,005.12, 85,509.15 and 27,012.32

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Solution

The fourth proportional to 57,005.12, 85,509.15 and 27,012.32 is: 40,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,005.12 : 85,509.15 = 27,012.32 : x
  2. Step 2: Convert to fraction form
    57,005.12/85,509.15 = 27,012.32/x
  3. Step 3: Cross multiply
    57,005.12x = 85,509.15 × 27,012.32
  4. Step 4: Simplify right side
    57,005.12x = 2,309,800,522.73
  5. Step 5: Solve for x
    x = 2,309,800,522.73/57,005.12
  6. Step 6: Final answer
    x = 40,519.18

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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.