Home / 81,163.40-112,016.62-46,707.42

Finding the Fourth Proportional to 81,163.40, 112,016.62 and 46,707.42

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Solution

The fourth proportional to 81,163.40, 112,016.62 and 46,707.42 is: 64,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,163.40 : 112,016.62 = 46,707.42 : x
  2. Step 2: Convert to fraction form
    81,163.40/112,016.62 = 46,707.42/x
  3. Step 3: Cross multiply
    81,163.40x = 112,016.62 × 46,707.42
  4. Step 4: Simplify right side
    81,163.40x = 5,232,007,317.32
  5. Step 5: Solve for x
    x = 5,232,007,317.32/81,163.40
  6. Step 6: Final answer
    x = 64,462.64

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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.