Home / 81,503.04-122,244.18-31,548.96

Finding the Fourth Proportional to 81,503.04, 122,244.18 and 31,548.96

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Solution

The fourth proportional to 81,503.04, 122,244.18 and 31,548.96 is: 47,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,503.04 : 122,244.18 = 31,548.96 : x
  2. Step 2: Convert to fraction form
    81,503.04/122,244.18 = 31,548.96/x
  3. Step 3: Cross multiply
    81,503.04x = 122,244.18 × 31,548.96
  4. Step 4: Simplify right side
    81,503.04x = 3,856,676,745.05
  5. Step 5: Solve for x
    x = 3,856,676,745.05/81,503.04
  6. Step 6: Final answer
    x = 47,319.42

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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.