Home / 81,975.58-113,126.70-46,166.20

Finding the Fourth Proportional to 81,975.58, 113,126.70 and 46,166.20

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Solution

The fourth proportional to 81,975.58, 113,126.70 and 46,166.20 is: 63,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,975.58 : 113,126.70 = 46,166.20 : x
  2. Step 2: Convert to fraction form
    81,975.58/113,126.70 = 46,166.20/x
  3. Step 3: Cross multiply
    81,975.58x = 113,126.70 × 46,166.20
  4. Step 4: Simplify right side
    81,975.58x = 5,222,629,857.54
  5. Step 5: Solve for x
    x = 5,222,629,857.54/81,975.58
  6. Step 6: Final answer
    x = 63,709.58

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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.