Home / 79,179.74-109,268.06-43,370.35

Finding the Fourth Proportional to 79,179.74, 109,268.06 and 43,370.35

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Solution

The fourth proportional to 79,179.74, 109,268.06 and 43,370.35 is: 59,851.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,179.74 : 109,268.06 = 43,370.35 : x
  2. Step 2: Convert to fraction form
    79,179.74/109,268.06 = 43,370.35/x
  3. Step 3: Cross multiply
    79,179.74x = 109,268.06 × 43,370.35
  4. Step 4: Simplify right side
    79,179.74x = 4,738,994,006.02
  5. Step 5: Solve for x
    x = 4,738,994,006.02/79,179.74
  6. Step 6: Final answer
    x = 59,851.09

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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.