Home / 82,409.41-123,614.12-29,806.59

Finding the Fourth Proportional to 82,409.41, 123,614.12 and 29,806.59

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Solution

The fourth proportional to 82,409.41, 123,614.12 and 29,806.59 is: 44,709.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,409.41 : 123,614.12 = 29,806.59 : x
  2. Step 2: Convert to fraction form
    82,409.41/123,614.12 = 29,806.59/x
  3. Step 3: Cross multiply
    82,409.41x = 123,614.12 × 29,806.59
  4. Step 4: Simplify right side
    82,409.41x = 3,684,515,931.12
  5. Step 5: Solve for x
    x = 3,684,515,931.12/82,409.41
  6. Step 6: Final answer
    x = 44,709.89

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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.