Home / 81,731.94-112,786.94-45,923.46

Finding the Fourth Proportional to 81,731.94, 112,786.94 and 45,923.46

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Solution

The fourth proportional to 81,731.94, 112,786.94 and 45,923.46 is: 63,372.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,731.94 : 112,786.94 = 45,923.46 : x
  2. Step 2: Convert to fraction form
    81,731.94/112,786.94 = 45,923.46/x
  3. Step 3: Cross multiply
    81,731.94x = 112,786.94 × 45,923.46
  4. Step 4: Simplify right side
    81,731.94x = 5,179,566,298.00
  5. Step 5: Solve for x
    x = 5,179,566,298.00/81,731.94
  6. Step 6: Final answer
    x = 63,372.61

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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.