Home / 81,327.24-122,002.52-25,172.28

Finding the Fourth Proportional to 81,327.24, 122,002.52 and 25,172.28

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Solution

The fourth proportional to 81,327.24, 122,002.52 and 25,172.28 is: 37,762.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,327.24 : 122,002.52 = 25,172.28 : x
  2. Step 2: Convert to fraction form
    81,327.24/122,002.52 = 25,172.28/x
  3. Step 3: Cross multiply
    81,327.24x = 122,002.52 × 25,172.28
  4. Step 4: Simplify right side
    81,327.24x = 3,071,081,594.15
  5. Step 5: Solve for x
    x = 3,071,081,594.15/81,327.24
  6. Step 6: Final answer
    x = 37,762.03

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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.