Home / 83,104.26-114,684.30-45,378.51

Finding the Fourth Proportional to 83,104.26, 114,684.30 and 45,378.51

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Solution

The fourth proportional to 83,104.26, 114,684.30 and 45,378.51 is: 62,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,104.26 : 114,684.30 = 45,378.51 : x
  2. Step 2: Convert to fraction form
    83,104.26/114,684.30 = 45,378.51/x
  3. Step 3: Cross multiply
    83,104.26x = 114,684.30 × 45,378.51
  4. Step 4: Simplify right side
    83,104.26x = 5,204,202,654.39
  5. Step 5: Solve for x
    x = 5,204,202,654.39/83,104.26
  6. Step 6: Final answer
    x = 62,622.57

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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.