Home / 82,446.12-123,722.64-29,851.20

Finding the Fourth Proportional to 82,446.12, 123,722.64 and 29,851.20

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Solution

The fourth proportional to 82,446.12, 123,722.64 and 29,851.20 is: 44,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,446.12 : 123,722.64 = 29,851.20 : x
  2. Step 2: Convert to fraction form
    82,446.12/123,722.64 = 29,851.20/x
  3. Step 3: Cross multiply
    82,446.12x = 123,722.64 × 29,851.20
  4. Step 4: Simplify right side
    82,446.12x = 3,693,269,271.17
  5. Step 5: Solve for x
    x = 3,693,269,271.17/82,446.12
  6. Step 6: Final answer
    x = 44,796.16

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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.