Home / 75,861.86-113,807.43-29,111.09

Finding the Fourth Proportional to 75,861.86, 113,807.43 and 29,111.09

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Solution

The fourth proportional to 75,861.86, 113,807.43 and 29,111.09 is: 43,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,861.86 : 113,807.43 = 29,111.09 : x
  2. Step 2: Convert to fraction form
    75,861.86/113,807.43 = 29,111.09/x
  3. Step 3: Cross multiply
    75,861.86x = 113,807.43 × 29,111.09
  4. Step 4: Simplify right side
    75,861.86x = 3,313,057,768.36
  5. Step 5: Solve for x
    x = 3,313,057,768.36/75,861.86
  6. Step 6: Final answer
    x = 43,672.25

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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.