Home / 81,104.52-111,913.68-52,848.48

Finding the Fourth Proportional to 81,104.52, 111,913.68 and 52,848.48

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Solution

The fourth proportional to 81,104.52, 111,913.68 and 52,848.48 is: 72,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,104.52 : 111,913.68 = 52,848.48 : x
  2. Step 2: Convert to fraction form
    81,104.52/111,913.68 = 52,848.48/x
  3. Step 3: Cross multiply
    81,104.52x = 111,913.68 × 52,848.48
  4. Step 4: Simplify right side
    81,104.52x = 5,914,467,879.21
  5. Step 5: Solve for x
    x = 5,914,467,879.21/81,104.52
  6. Step 6: Final answer
    x = 72,924.02

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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.