Home / 82,436.46-123,671.10-26,274.75

Finding the Fourth Proportional to 82,436.46, 123,671.10 and 26,274.75

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Solution

The fourth proportional to 82,436.46, 123,671.10 and 26,274.75 is: 39,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,436.46 : 123,671.10 = 26,274.75 : x
  2. Step 2: Convert to fraction form
    82,436.46/123,671.10 = 26,274.75/x
  3. Step 3: Cross multiply
    82,436.46x = 123,671.10 × 26,274.75
  4. Step 4: Simplify right side
    82,436.46x = 3,249,427,234.73
  5. Step 5: Solve for x
    x = 3,249,427,234.73/82,436.46
  6. Step 6: Final answer
    x = 39,417.36

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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.