Home / 82,312.82-123,463.10-29,722.36

Finding the Fourth Proportional to 82,312.82, 123,463.10 and 29,722.36

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Solution

The fourth proportional to 82,312.82, 123,463.10 and 29,722.36 is: 44,581.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,312.82 : 123,463.10 = 29,722.36 : x
  2. Step 2: Convert to fraction form
    82,312.82/123,463.10 = 29,722.36/x
  3. Step 3: Cross multiply
    82,312.82x = 123,463.10 × 29,722.36
  4. Step 4: Simplify right side
    82,312.82x = 3,669,613,938.99
  5. Step 5: Solve for x
    x = 3,669,613,938.99/82,312.82
  6. Step 6: Final answer
    x = 44,581.32

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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.