Home / 79,070.03-109,119.26-43,260.05

Finding the Fourth Proportional to 79,070.03, 109,119.26 and 43,260.05

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Solution

The fourth proportional to 79,070.03, 109,119.26 and 43,260.05 is: 59,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,070.03 : 109,119.26 = 43,260.05 : x
  2. Step 2: Convert to fraction form
    79,070.03/109,119.26 = 43,260.05/x
  3. Step 3: Cross multiply
    79,070.03x = 109,119.26 × 43,260.05
  4. Step 4: Simplify right side
    79,070.03x = 4,720,504,700.06
  5. Step 5: Solve for x
    x = 4,720,504,700.06/79,070.03
  6. Step 6: Final answer
    x = 59,700.31

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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.