Home / 79,535.73-109,759.69-43,728.06

Finding the Fourth Proportional to 79,535.73, 109,759.69 and 43,728.06

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Solution

The fourth proportional to 79,535.73, 109,759.69 and 43,728.06 is: 60,344.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,535.73 : 109,759.69 = 43,728.06 : x
  2. Step 2: Convert to fraction form
    79,535.73/109,759.69 = 43,728.06/x
  3. Step 3: Cross multiply
    79,535.73x = 109,759.69 × 43,728.06
  4. Step 4: Simplify right side
    79,535.73x = 4,799,578,309.90
  5. Step 5: Solve for x
    x = 4,799,578,309.90/79,535.73
  6. Step 6: Final answer
    x = 60,344.93

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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.