Home / 81,221.94-111,983.51-52,493.27

Finding the Fourth Proportional to 81,221.94, 111,983.51 and 52,493.27

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Solution

The fourth proportional to 81,221.94, 111,983.51 and 52,493.27 is: 72,374.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,221.94 : 111,983.51 = 52,493.27 : x
  2. Step 2: Convert to fraction form
    81,221.94/111,983.51 = 52,493.27/x
  3. Step 3: Cross multiply
    81,221.94x = 111,983.51 × 52,493.27
  4. Step 4: Simplify right side
    81,221.94x = 5,878,380,197.29
  5. Step 5: Solve for x
    x = 5,878,380,197.29/81,221.94
  6. Step 6: Final answer
    x = 72,374.29

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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.