Home / 82,412.48-123,605.64-26,245.28

Finding the Fourth Proportional to 82,412.48, 123,605.64 and 26,245.28

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Solution

The fourth proportional to 82,412.48, 123,605.64 and 26,245.28 is: 39,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,412.48 : 123,605.64 = 26,245.28 : x
  2. Step 2: Convert to fraction form
    82,412.48/123,605.64 = 26,245.28/x
  3. Step 3: Cross multiply
    82,412.48x = 123,605.64 × 26,245.28
  4. Step 4: Simplify right side
    82,412.48x = 3,244,064,631.38
  5. Step 5: Solve for x
    x = 3,244,064,631.38/82,412.48
  6. Step 6: Final answer
    x = 39,363.75

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1.5x scale

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.