Home / 81,921.87-113,052.44-46,112.45

Finding the Fourth Proportional to 81,921.87, 113,052.44 and 46,112.45

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Solution

The fourth proportional to 81,921.87, 113,052.44 and 46,112.45 is: 63,635.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,921.87 : 113,052.44 = 46,112.45 : x
  2. Step 2: Convert to fraction form
    81,921.87/113,052.44 = 46,112.45/x
  3. Step 3: Cross multiply
    81,921.87x = 113,052.44 × 46,112.45
  4. Step 4: Simplify right side
    81,921.87x = 5,213,124,536.90
  5. Step 5: Solve for x
    x = 5,213,124,536.90/81,921.87
  6. Step 6: Final answer
    x = 63,635.32

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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.