Home / 81,669.02-122,477.60-26,252.06

Finding the Fourth Proportional to 81,669.02, 122,477.60 and 26,252.06

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Solution

The fourth proportional to 81,669.02, 122,477.60 and 26,252.06 is: 39,369.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,669.02 : 122,477.60 = 26,252.06 : x
  2. Step 2: Convert to fraction form
    81,669.02/122,477.60 = 26,252.06/x
  3. Step 3: Cross multiply
    81,669.02x = 122,477.60 × 26,252.06
  4. Step 4: Simplify right side
    81,669.02x = 3,215,289,675.68
  5. Step 5: Solve for x
    x = 3,215,289,675.68/81,669.02
  6. Step 6: Final answer
    x = 39,369.76

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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.