Home / 69,320.22-95,661.81-39,105.51

Finding the Fourth Proportional to 69,320.22, 95,661.81 and 39,105.51

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Solution

The fourth proportional to 69,320.22, 95,661.81 and 39,105.51 is: 53,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,320.22 : 95,661.81 = 39,105.51 : x
  2. Step 2: Convert to fraction form
    69,320.22/95,661.81 = 39,105.51/x
  3. Step 3: Cross multiply
    69,320.22x = 95,661.81 × 39,105.51
  4. Step 4: Simplify right side
    69,320.22x = 3,740,903,867.57
  5. Step 5: Solve for x
    x = 3,740,903,867.57/69,320.22
  6. Step 6: Final answer
    x = 53,965.55

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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.