Home / 81,292.83-121,961.16-33,892.17

Finding the Fourth Proportional to 81,292.83, 121,961.16 and 33,892.17

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Solution

The fourth proportional to 81,292.83, 121,961.16 and 33,892.17 is: 50,847.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,292.83 : 121,961.16 = 33,892.17 : x
  2. Step 2: Convert to fraction form
    81,292.83/121,961.16 = 33,892.17/x
  3. Step 3: Cross multiply
    81,292.83x = 121,961.16 × 33,892.17
  4. Step 4: Simplify right side
    81,292.83x = 4,133,528,368.12
  5. Step 5: Solve for x
    x = 4,133,528,368.12/81,292.83
  6. Step 6: Final answer
    x = 50,847.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.