Home / 79,292.20-109,424.74-43,480.08

Finding the Fourth Proportional to 79,292.20, 109,424.74 and 43,480.08

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Solution

The fourth proportional to 79,292.20, 109,424.74 and 43,480.08 is: 60,003.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,292.20 : 109,424.74 = 43,480.08 : x
  2. Step 2: Convert to fraction form
    79,292.20/109,424.74 = 43,480.08/x
  3. Step 3: Cross multiply
    79,292.20x = 109,424.74 × 43,480.08
  4. Step 4: Simplify right side
    79,292.20x = 4,757,796,449.18
  5. Step 5: Solve for x
    x = 4,757,796,449.18/79,292.20
  6. Step 6: Final answer
    x = 60,003.34

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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.