Home / 117,046.38-161,523.12-63,331.23

Finding the Fourth Proportional to 117,046.38, 161,523.12 and 63,331.23

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Solution

The fourth proportional to 117,046.38, 161,523.12 and 63,331.23 is: 87,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,046.38 : 161,523.12 = 63,331.23 : x
  2. Step 2: Convert to fraction form
    117,046.38/161,523.12 = 63,331.23/x
  3. Step 3: Cross multiply
    117,046.38x = 161,523.12 × 63,331.23
  4. Step 4: Simplify right side
    117,046.38x = 10,229,457,863.04
  5. Step 5: Solve for x
    x = 10,229,457,863.04/117,046.38
  6. Step 6: Final answer
    x = 87,396.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.