Home / 82,344.96-123,515.38-37,971.68

Finding the Fourth Proportional to 82,344.96, 123,515.38 and 37,971.68

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Solution

The fourth proportional to 82,344.96, 123,515.38 and 37,971.68 is: 56,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,344.96 : 123,515.38 = 37,971.68 : x
  2. Step 2: Convert to fraction form
    82,344.96/123,515.38 = 37,971.68/x
  3. Step 3: Cross multiply
    82,344.96x = 123,515.38 × 37,971.68
  4. Step 4: Simplify right side
    82,344.96x = 4,690,086,484.44
  5. Step 5: Solve for x
    x = 4,690,086,484.44/82,344.96
  6. Step 6: Final answer
    x = 56,956.57

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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.