Home / 83,512.14-115,246.58-45,786.39

Finding the Fourth Proportional to 83,512.14, 115,246.58 and 45,786.39

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Solution

The fourth proportional to 83,512.14, 115,246.58 and 45,786.39 is: 63,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,512.14 : 115,246.58 = 45,786.39 : x
  2. Step 2: Convert to fraction form
    83,512.14/115,246.58 = 45,786.39/x
  3. Step 3: Cross multiply
    83,512.14x = 115,246.58 × 45,786.39
  4. Step 4: Simplify right side
    83,512.14x = 5,276,724,629.11
  5. Step 5: Solve for x
    x = 5,276,724,629.11/83,512.14
  6. Step 6: Final answer
    x = 63,185.12

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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.