Home / 81,257.94-112,112.66-46,796.29

Finding the Fourth Proportional to 81,257.94, 112,112.66 and 46,796.29

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Solution

The fourth proportional to 81,257.94, 112,112.66 and 46,796.29 is: 64,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,257.94 : 112,112.66 = 46,796.29 : x
  2. Step 2: Convert to fraction form
    81,257.94/112,112.66 = 46,796.29/x
  3. Step 3: Cross multiply
    81,257.94x = 112,112.66 × 46,796.29
  4. Step 4: Simplify right side
    81,257.94x = 5,246,456,386.74
  5. Step 5: Solve for x
    x = 5,246,456,386.74/81,257.94
  6. Step 6: Final answer
    x = 64,565.46

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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.