Home / 79,072.54-109,120.37-43,262.44

Finding the Fourth Proportional to 79,072.54, 109,120.37 and 43,262.44

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Solution

The fourth proportional to 79,072.54, 109,120.37 and 43,262.44 is: 59,702.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,072.54 : 109,120.37 = 43,262.44 : x
  2. Step 2: Convert to fraction form
    79,072.54/109,120.37 = 43,262.44/x
  3. Step 3: Cross multiply
    79,072.54x = 109,120.37 × 43,262.44
  4. Step 4: Simplify right side
    79,072.54x = 4,720,812,970.79
  5. Step 5: Solve for x
    x = 4,720,812,970.79/79,072.54
  6. Step 6: Final answer
    x = 59,702.31

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1.5x scale

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.