Home / 75,571.86-113,365.19-28,175.90

Finding the Fourth Proportional to 75,571.86, 113,365.19 and 28,175.90

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Solution

The fourth proportional to 75,571.86, 113,365.19 and 28,175.90 is: 42,266.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,571.86 : 113,365.19 = 28,175.90 : x
  2. Step 2: Convert to fraction form
    75,571.86/113,365.19 = 28,175.90/x
  3. Step 3: Cross multiply
    75,571.86x = 113,365.19 × 28,175.90
  4. Step 4: Simplify right side
    75,571.86x = 3,194,165,549.22
  5. Step 5: Solve for x
    x = 3,194,165,549.22/75,571.86
  6. Step 6: Final answer
    x = 42,266.60

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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.