Home / 69,074.08-95,321.28-38,857.12

Finding the Fourth Proportional to 69,074.08, 95,321.28 and 38,857.12

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Solution

The fourth proportional to 69,074.08, 95,321.28 and 38,857.12 is: 53,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,074.08 : 95,321.28 = 38,857.12 : x
  2. Step 2: Convert to fraction form
    69,074.08/95,321.28 = 38,857.12/x
  3. Step 3: Cross multiply
    69,074.08x = 95,321.28 × 38,857.12
  4. Step 4: Simplify right side
    69,074.08x = 3,703,910,415.51
  5. Step 5: Solve for x
    x = 3,703,910,415.51/69,074.08
  6. Step 6: Final answer
    x = 53,622.29

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Double scale
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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.