Home / 81,707.37-122,568.12-22,543.04

Finding the Fourth Proportional to 81,707.37, 122,568.12 and 22,543.04

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Solution

The fourth proportional to 81,707.37, 122,568.12 and 22,543.04 is: 33,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,707.37 : 122,568.12 = 22,543.04 : x
  2. Step 2: Convert to fraction form
    81,707.37/122,568.12 = 22,543.04/x
  3. Step 3: Cross multiply
    81,707.37x = 122,568.12 × 22,543.04
  4. Step 4: Simplify right side
    81,707.37x = 2,763,057,419.04
  5. Step 5: Solve for x
    x = 2,763,057,419.04/81,707.37
  6. Step 6: Final answer
    x = 33,816.50

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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.