Home / 82,032.86-123,055.32-29,442.80

Finding the Fourth Proportional to 82,032.86, 123,055.32 and 29,442.80

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Solution

The fourth proportional to 82,032.86, 123,055.32 and 29,442.80 is: 44,166.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,032.86 : 123,055.32 = 29,442.80 : x
  2. Step 2: Convert to fraction form
    82,032.86/123,055.32 = 29,442.80/x
  3. Step 3: Cross multiply
    82,032.86x = 123,055.32 × 29,442.80
  4. Step 4: Simplify right side
    82,032.86x = 3,623,093,175.70
  5. Step 5: Solve for x
    x = 3,623,093,175.70/82,032.86
  6. Step 6: Final answer
    x = 44,166.36

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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.