Home / 75,865.86-104,694.96-42,331.86

Finding the Fourth Proportional to 75,865.86, 104,694.96 and 42,331.86

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Solution

The fourth proportional to 75,865.86, 104,694.96 and 42,331.86 is: 58,418.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,865.86 : 104,694.96 = 42,331.86 : x
  2. Step 2: Convert to fraction form
    75,865.86/104,694.96 = 42,331.86/x
  3. Step 3: Cross multiply
    75,865.86x = 104,694.96 × 42,331.86
  4. Step 4: Simplify right side
    75,865.86x = 4,431,932,389.43
  5. Step 5: Solve for x
    x = 4,431,932,389.43/75,865.86
  6. Step 6: Final answer
    x = 58,418.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.