Home / 82,330.12-113,620.80-50,494.68

Finding the Fourth Proportional to 82,330.12, 113,620.80 and 50,494.68

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Solution

The fourth proportional to 82,330.12, 113,620.80 and 50,494.68 is: 69,685.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,330.12 : 113,620.80 = 50,494.68 : x
  2. Step 2: Convert to fraction form
    82,330.12/113,620.80 = 50,494.68/x
  3. Step 3: Cross multiply
    82,330.12x = 113,620.80 × 50,494.68
  4. Step 4: Simplify right side
    82,330.12x = 5,737,245,937.34
  5. Step 5: Solve for x
    x = 5,737,245,937.34/82,330.12
  6. Step 6: Final answer
    x = 69,685.87

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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.