Home / 82,751.28-114,197.64-45,025.56

Finding the Fourth Proportional to 82,751.28, 114,197.64 and 45,025.56

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Solution

The fourth proportional to 82,751.28, 114,197.64 and 45,025.56 is: 62,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,751.28 : 114,197.64 = 45,025.56 : x
  2. Step 2: Convert to fraction form
    82,751.28/114,197.64 = 45,025.56/x
  3. Step 3: Cross multiply
    82,751.28x = 114,197.64 × 45,025.56
  4. Step 4: Simplify right side
    82,751.28x = 5,141,812,691.68
  5. Step 5: Solve for x
    x = 5,141,812,691.68/82,751.28
  6. Step 6: Final answer
    x = 62,135.75

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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.