Home / 81,645.48-122,517.60-29,051.04

Finding the Fourth Proportional to 81,645.48, 122,517.60 and 29,051.04

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Solution

The fourth proportional to 81,645.48, 122,517.60 and 29,051.04 is: 43,594.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,645.48 : 122,517.60 = 29,051.04 : x
  2. Step 2: Convert to fraction form
    81,645.48/122,517.60 = 29,051.04/x
  3. Step 3: Cross multiply
    81,645.48x = 122,517.60 × 29,051.04
  4. Step 4: Simplify right side
    81,645.48x = 3,559,263,698.30
  5. Step 5: Solve for x
    x = 3,559,263,698.30/81,645.48
  6. Step 6: Final answer
    x = 43,594.13

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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.