Home / 82,863.39-114,350.90-45,137.64

Finding the Fourth Proportional to 82,863.39, 114,350.90 and 45,137.64

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Solution

The fourth proportional to 82,863.39, 114,350.90 and 45,137.64 is: 62,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,863.39 : 114,350.90 = 45,137.64 : x
  2. Step 2: Convert to fraction form
    82,863.39/114,350.90 = 45,137.64/x
  3. Step 3: Cross multiply
    82,863.39x = 114,350.90 × 45,137.64
  4. Step 4: Simplify right side
    82,863.39x = 5,161,529,532.19
  5. Step 5: Solve for x
    x = 5,161,529,532.19/82,863.39
  6. Step 6: Final answer
    x = 62,289.63

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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.