Home / 81,257.82-112,112.49-46,796.16

Finding the Fourth Proportional to 81,257.82, 112,112.49 and 46,796.16

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Solution

The fourth proportional to 81,257.82, 112,112.49 and 46,796.16 is: 64,565.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,257.82 : 112,112.49 = 46,796.16 : x
  2. Step 2: Convert to fraction form
    81,257.82/112,112.49 = 46,796.16/x
  3. Step 3: Cross multiply
    81,257.82x = 112,112.49 × 46,796.16
  4. Step 4: Simplify right side
    81,257.82x = 5,246,434,020.04
  5. Step 5: Solve for x
    x = 5,246,434,020.04/81,257.82
  6. Step 6: Final answer
    x = 64,565.28

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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.