Home / 75,631.43-113,299.52-45,975.71

Finding the Fourth Proportional to 75,631.43, 113,299.52 and 45,975.71

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Solution

The fourth proportional to 75,631.43, 113,299.52 and 45,975.71 is: 68,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,631.43 : 113,299.52 = 45,975.71 : x
  2. Step 2: Convert to fraction form
    75,631.43/113,299.52 = 45,975.71/x
  3. Step 3: Cross multiply
    75,631.43x = 113,299.52 × 45,975.71
  4. Step 4: Simplify right side
    75,631.43x = 5,209,025,078.28
  5. Step 5: Solve for x
    x = 5,209,025,078.28/75,631.43
  6. Step 6: Final answer
    x = 68,873.82

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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.