Home / 81,998.65-123,028.95-32,114.39

Finding the Fourth Proportional to 81,998.65, 123,028.95 and 32,114.39

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Solution

The fourth proportional to 81,998.65, 123,028.95 and 32,114.39 is: 48,183.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,998.65 : 123,028.95 = 32,114.39 : x
  2. Step 2: Convert to fraction form
    81,998.65/123,028.95 = 32,114.39/x
  3. Step 3: Cross multiply
    81,998.65x = 123,028.95 × 32,114.39
  4. Step 4: Simplify right side
    81,998.65x = 3,950,999,681.59
  5. Step 5: Solve for x
    x = 3,950,999,681.59/81,998.65
  6. Step 6: Final answer
    x = 48,183.72

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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.