Home / 82,219.02-123,344.08-26,073.28

Finding the Fourth Proportional to 82,219.02, 123,344.08 and 26,073.28

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Solution

The fourth proportional to 82,219.02, 123,344.08 and 26,073.28 is: 39,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,219.02 : 123,344.08 = 26,073.28 : x
  2. Step 2: Convert to fraction form
    82,219.02/123,344.08 = 26,073.28/x
  3. Step 3: Cross multiply
    82,219.02x = 123,344.08 × 26,073.28
  4. Step 4: Simplify right side
    82,219.02x = 3,215,984,734.18
  5. Step 5: Solve for x
    x = 3,215,984,734.18/82,219.02
  6. Step 6: Final answer
    x = 39,114.85

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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.