Home / 82,327.12-113,616.66-50,491.68

Finding the Fourth Proportional to 82,327.12, 113,616.66 and 50,491.68

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Solution

The fourth proportional to 82,327.12, 113,616.66 and 50,491.68 is: 69,681.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,327.12 : 113,616.66 = 50,491.68 : x
  2. Step 2: Convert to fraction form
    82,327.12/113,616.66 = 50,491.68/x
  3. Step 3: Cross multiply
    82,327.12x = 113,616.66 × 50,491.68
  4. Step 4: Simplify right side
    82,327.12x = 5,736,696,039.39
  5. Step 5: Solve for x
    x = 5,736,696,039.39/82,327.12
  6. Step 6: Final answer
    x = 69,681.73

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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.