Home / 69,318.39-95,671.16-39,112.28

Finding the Fourth Proportional to 69,318.39, 95,671.16 and 39,112.28

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Solution

The fourth proportional to 69,318.39, 95,671.16 and 39,112.28 is: 53,981.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,318.39 : 95,671.16 = 39,112.28 : x
  2. Step 2: Convert to fraction form
    69,318.39/95,671.16 = 39,112.28/x
  3. Step 3: Cross multiply
    69,318.39x = 95,671.16 × 39,112.28
  4. Step 4: Simplify right side
    69,318.39x = 3,741,917,197.84
  5. Step 5: Solve for x
    x = 3,741,917,197.84/69,318.39
  6. Step 6: Final answer
    x = 53,981.59

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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.