Home / 75,049.33-112,573.97-28,291.27

Finding the Fourth Proportional to 75,049.33, 112,573.97 and 28,291.27

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Solution

The fourth proportional to 75,049.33, 112,573.97 and 28,291.27 is: 42,436.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,049.33 : 112,573.97 = 28,291.27 : x
  2. Step 2: Convert to fraction form
    75,049.33/112,573.97 = 28,291.27/x
  3. Step 3: Cross multiply
    75,049.33x = 112,573.97 × 28,291.27
  4. Step 4: Simplify right side
    75,049.33x = 3,184,860,580.24
  5. Step 5: Solve for x
    x = 3,184,860,580.24/75,049.33
  6. Step 6: Final answer
    x = 42,436.90

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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.