Home / 79,190.86-109,283.73-43,380.10

Finding the Fourth Proportional to 79,190.86, 109,283.73 and 43,380.10

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Solution

The fourth proportional to 79,190.86, 109,283.73 and 43,380.10 is: 59,864.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190.86 : 109,283.73 = 43,380.10 : x
  2. Step 2: Convert to fraction form
    79,190.86/109,283.73 = 43,380.10/x
  3. Step 3: Cross multiply
    79,190.86x = 109,283.73 × 43,380.10
  4. Step 4: Simplify right side
    79,190.86x = 4,740,739,135.77
  5. Step 5: Solve for x
    x = 4,740,739,135.77/79,190.86
  6. Step 6: Final answer
    x = 59,864.73

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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.