Home / 79,072.23-109,119.56-43,262.39

Finding the Fourth Proportional to 79,072.23, 109,119.56 and 43,262.39

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Solution

The fourth proportional to 79,072.23, 109,119.56 and 43,262.39 is: 59,702.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,072.23 : 109,119.56 = 43,262.39 : x
  2. Step 2: Convert to fraction form
    79,072.23/109,119.56 = 43,262.39/x
  3. Step 3: Cross multiply
    79,072.23x = 109,119.56 × 43,262.39
  4. Step 4: Simplify right side
    79,072.23x = 4,720,772,608.64
  5. Step 5: Solve for x
    x = 4,720,772,608.64/79,072.23
  6. Step 6: Final answer
    x = 59,702.03

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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.