Home / 82,262.46-123,443.05-35,515.28

Finding the Fourth Proportional to 82,262.46, 123,443.05 and 35,515.28

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Solution

The fourth proportional to 82,262.46, 123,443.05 and 35,515.28 is: 53,294.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,262.46 : 123,443.05 = 35,515.28 : x
  2. Step 2: Convert to fraction form
    82,262.46/123,443.05 = 35,515.28/x
  3. Step 3: Cross multiply
    82,262.46x = 123,443.05 × 35,515.28
  4. Step 4: Simplify right side
    82,262.46x = 4,384,114,484.80
  5. Step 5: Solve for x
    x = 4,384,114,484.80/82,262.46
  6. Step 6: Final answer
    x = 53,294.23

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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.