Home / 74,213.86-111,293.10-29,825.60

Finding the Fourth Proportional to 74,213.86, 111,293.10 and 29,825.60

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Solution

The fourth proportional to 74,213.86, 111,293.10 and 29,825.60 is: 44,727.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,213.86 : 111,293.10 = 29,825.60 : x
  2. Step 2: Convert to fraction form
    74,213.86/111,293.10 = 29,825.60/x
  3. Step 3: Cross multiply
    74,213.86x = 111,293.10 × 29,825.60
  4. Step 4: Simplify right side
    74,213.86x = 3,319,383,483.36
  5. Step 5: Solve for x
    x = 3,319,383,483.36/74,213.86
  6. Step 6: Final answer
    x = 44,727.27

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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.