Home / 81,617.40-112,655.34-52,936.44

Finding the Fourth Proportional to 81,617.40, 112,655.34 and 52,936.44

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Solution

The fourth proportional to 81,617.40, 112,655.34 and 52,936.44 is: 73,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,617.40 : 112,655.34 = 52,936.44 : x
  2. Step 2: Convert to fraction form
    81,617.40/112,655.34 = 52,936.44/x
  3. Step 3: Cross multiply
    81,617.40x = 112,655.34 × 52,936.44
  4. Step 4: Simplify right side
    81,617.40x = 5,963,572,646.59
  5. Step 5: Solve for x
    x = 5,963,572,646.59/81,617.40
  6. Step 6: Final answer
    x = 73,067.42

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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.