Home / 93,183.52-128,589.24-50,742.40

Finding the Fourth Proportional to 93,183.52, 128,589.24 and 50,742.40

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Solution

The fourth proportional to 93,183.52, 128,589.24 and 50,742.40 is: 70,022.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,183.52 : 128,589.24 = 50,742.40 : x
  2. Step 2: Convert to fraction form
    93,183.52/128,589.24 = 50,742.40/x
  3. Step 3: Cross multiply
    93,183.52x = 128,589.24 × 50,742.40
  4. Step 4: Simplify right side
    93,183.52x = 6,524,926,651.78
  5. Step 5: Solve for x
    x = 6,524,926,651.78/93,183.52
  6. Step 6: Final answer
    x = 70,022.32

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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.