Home / 81,650.41-122,475.65-25,495.34

Finding the Fourth Proportional to 81,650.41, 122,475.65 and 25,495.34

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Solution

The fourth proportional to 81,650.41, 122,475.65 and 25,495.34 is: 38,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,650.41 : 122,475.65 = 25,495.34 : x
  2. Step 2: Convert to fraction form
    81,650.41/122,475.65 = 25,495.34/x
  3. Step 3: Cross multiply
    81,650.41x = 122,475.65 × 25,495.34
  4. Step 4: Simplify right side
    81,650.41x = 3,122,557,598.62
  5. Step 5: Solve for x
    x = 3,122,557,598.62/81,650.41
  6. Step 6: Final answer
    x = 38,243.01

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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.