Home / 69,991.16-96,584.81-38,160.18

Finding the Fourth Proportional to 69,991.16, 96,584.81 and 38,160.18

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Solution

The fourth proportional to 69,991.16, 96,584.81 and 38,160.18 is: 52,659.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,991.16 : 96,584.81 = 38,160.18 : x
  2. Step 2: Convert to fraction form
    69,991.16/96,584.81 = 38,160.18/x
  3. Step 3: Cross multiply
    69,991.16x = 96,584.81 × 38,160.18
  4. Step 4: Simplify right side
    69,991.16x = 3,685,693,544.06
  5. Step 5: Solve for x
    x = 3,685,693,544.06/69,991.16
  6. Step 6: Final answer
    x = 52,659.42

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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.