Home / 69,912.30-96,480.44-38,081.12

Finding the Fourth Proportional to 69,912.30, 96,480.44 and 38,081.12

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Solution

The fourth proportional to 69,912.30, 96,480.44 and 38,081.12 is: 52,552.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,912.30 : 96,480.44 = 38,081.12 : x
  2. Step 2: Convert to fraction form
    69,912.30/96,480.44 = 38,081.12/x
  3. Step 3: Cross multiply
    69,912.30x = 96,480.44 × 38,081.12
  4. Step 4: Simplify right side
    69,912.30x = 3,674,083,213.29
  5. Step 5: Solve for x
    x = 3,674,083,213.29/69,912.30
  6. Step 6: Final answer
    x = 52,552.74

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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.