Home / 81,646.57-122,400.60-37,257.76

Finding the Fourth Proportional to 81,646.57, 122,400.60 and 37,257.76

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Solution

The fourth proportional to 81,646.57, 122,400.60 and 37,257.76 is: 55,855.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,646.57 : 122,400.60 = 37,257.76 : x
  2. Step 2: Convert to fraction form
    81,646.57/122,400.60 = 37,257.76/x
  3. Step 3: Cross multiply
    81,646.57x = 122,400.60 × 37,257.76
  4. Step 4: Simplify right side
    81,646.57x = 4,560,372,178.66
  5. Step 5: Solve for x
    x = 4,560,372,178.66/81,646.57
  6. Step 6: Final answer
    x = 55,855.04

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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.